CITY OF ALAMEDA
BAYPORT STORMWATER TREATMENT POND (STP)
INSPECTION AND MAINTENANCE PLAN
Prepared for
City of Alameda
Public Works
Date
April 7, 2016
Project Number
773.01.55
Prepared by
BAYPORT STP INSPECTION AND MAINTENANCE PLAN
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1.0 INTRODUCTION
The City of Alameda (City) is responsible for maintaining the Bayport Stormwater Treatment Pond (STP) facility. This Inspection and Maintenance Plan was prepared to assist the City with routine inspection and maintenance of the Bayport STP in order to main tain its capacity to collect and treat stormwater runoff. Conducting routine inspection and maintenance ensures proper function of the facility, increases the effective lifespan or the STP capacity and allows for early detection of major maintenance needs. This Plan contains a background of the STP facility, a brief description of STP features, a n inspection and maintenance protocol and form, and supplementary appendices.
Background and Overview
The Bayport STP is a wet detention basin that was constructed in 2005 to receive runoff from the Bayport residential area and the Alameda Landing commercial area. The STP is located west of the intersection of Mitchell Avenue and Bette Street. The Bayport STP was previously referred to as the Alameda FISC Detention Basin, and the Mitchell STP, but was renamed to reflect its current use and the special assessment district serviced by the facility. After the STP and nearby developments were constructed, the City assumed inspection and maintenance responsibilities of the STP.
A wet detention basin provides water quality treatment by capturing and holding runoff for a period of time so sediment and particles settle out of the water column, and by removing nutrients and pollutants through uptake by vegetation . For the ST P to remain effective, the structural integrity and capacity to receive stormwater runoff needs to be maintained, and conditions should promote healthy veget ation
and biological processes to provide additional
water quality treatment.
The STP has a 1.8 acre surface area and was
designed to capture runoff from a 194 acre area.
Since the STP was constructed, it has received
runoff from the Bayport residential development
which is approximately 110 acres (Figure 1).
Runoff from the remaining acreage associated
with Alameda landing is treated by other means.
The STP was designed to hold a permanent pool
of water up to 4 .5 feet deep during non-wet
weather conditions, and have capacity to capture
4.5 acre feet of stormwater runoff. The depth of
water in the STP during non -wet weather
conditions should be no more than 4.5 feet deep
in order to have capacity to capture runoff from
most storm events.
Figure 1. Approximate drainage area to Bayport
STP from City Storm Drain GIS data dated April
2015
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Applicable Regulations
National Pollutant Discharge Elimination System Permits Stormwater discharges from the City of Alameda’s storm drain system are regulated by the Clean Water Act (CWA) § 402 und er the National Pollutant Discharge Elimination System (NPDES) program. The San Francisco Regional Water Quality Control Board (RWQCB) administers the NPDES program including Phase I Municipal Separate Storm Sewer System (MS4) permits. The MS4 permit is designed to prevent and minimize pollutants in stormwater runoff in order to protect the beneficial uses and water quality of receiving waters (e.g., San Francisco Bay, Oakland Inner Harbor). In the Bay Area, the Phase I MS4 permit is referred to as the Bay Area Municipal Regional Permit (MRP).
The MRP contains requirements for capturing stormwater runoff from new development (i.e., post construction runoff) . The Bayport STP was designed to capture stormwater volumes consistent with the post-construction requirements that stormwater treatment systems be sized to capture 80% or more of total post development runoff (MRP, Provision C.3.d). The Bayport STP was designed to meet this criteria which remains unchanged in the most recent version of the MRP. Currently, there are no specific numeric-based limits assigned to the outflows from the Bayport STP, though provision C.10 of the MRP requires the City to effectively eliminate trash from its stormwater discharges. Thus, pursuant to trash load reduction efforts, no trash or litter should be present in outflow from the Bayport STP.
Lake and Streambed Alteration Agreement
California Department of Fish and Wildlife (CDFW) is authorized under Section 1602 of the Fish and Game Code to issue Lake and Streambed Alteration Agreements for projects which would alter a stream, creek, or lake, and/or have an impact on fish and wildlife using the stream, lake, and/or adjacent riparian habitat. If the STP provides habitat for federal or state listed species where maintenance work could potentially alter or impact the habitat for these species, a SAA may be required. Though the current lack of habitat surrounding the basin make it unlikely for special status species to be present, the City may wish to consult with CDFW prior to any major maintenance activities, like sediment removal, to determine whether an SAA is required.
Clean Water Act § 404/401
The Bayport STP was constructed to collect and store stormwater runoff. Stormwater management facilities defined by the CWA as waste treatment systems are not Waters of the U.S. (WOUS) and maintenance actions do not generally require a CWA § 404/401 permit. The recently adopted U.S. EPA clarification to the WOUS rule maintains this exemption. In any case, sediment or fill material resulting from maintenance activities must not be discharged to a WOUS and must be properly disposed of.
BAYPORT STP INSPECTION AND MAINTENANCE PLAN
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2.0 BAYPORT STP FEATURES
Key features of the STP are briefly described along with an overview of the relevant maintenance tasks for the features. Routine maintenance tasks are listed by feature in the inspection form provided in Section 3.0.
Inlet structure – Stormwater flows enter the STP through the storm drain inlet surrounded by a concrete headwall (Figure 2). Slopes adjacent to this inlet structure are reinforced with rock rip-rap to prevent scour and erosion from high velocity flows. The rock rip -rap should be maintained, and replaced as needed to keep the slope stabilized near the inlet structure. The concrete headwall should be inspected for signs of structural instability or failure . The inflow pipes should be inspected for any obstructions or clogging.
Forebay –Stormwater flows enter the forebay through the inlet structure. The forebay includes the surface area of the STP from where flows enter at the inflow structure to the gravel berm.
The bottom of the forebay is lined with 3-4” minus gravel over a 12” Bay Mud cap. A majority of larger sediments and particles will settle out in the forebay. It is important to inspect how much sediment has accumulated in the forebay (and main pond) and to plan for and schedule sediment removal efforts when necessary. Sediment depths should be checked annually, either by wading with a measuring stick or when the pond is drawn down. Sediment removal should occur when approximately 25% of the forebay volume is filled with sediment which equals a depth of approximately 18” of sediment in the forebay. Given sediment removal efforts would require budgeting and coordination well in advance, the City may want to begin planning this effort before the depth of sediment is at or exceeds 18”. Removing excess sediment is important for maintaining capacity to receive stormwater flows, prevent water quality problems (e.g. high turbidity, algae, odors), and to avoid higher costs related to off-haul and disposal.
Gravel berm – The forebay is separated from the main pond by a gravel berm. The gravel berm is constructed with gravel over geo-cell and was installed across the width of the forebay.
According to as -built plans , the design elevation of the gravel berm is 1.2 feet and the permanent pond water level is 0.5 feet, so a portion of the gravel berm is exposed during dry weather conditions, but will be submerged during wet weather periods. The elevation of the gravel berm should be inspected to ensure it is exposed during dry weather conditions. If it is Figure 2 - Inlet Structure
BAYPORT STP INSPECTION AND MAINTENANCE PLAN
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not, the outflow of the pond may be clogged, or the elevation of the gravel berm may need to be restored with the same size and type of rock material that is specified on the as-built plans (Sheet STP-C1.2, Gravel berm with filter detail).
Main pond – The main pond includes the open water area from beyond the forebay to the outlet structures. The main pond is lined with 12” Bay Mud. The perimeter is vegetated with riparian vegetation along the water’s edge (e.g., cattails, rushes) (Figure 3).
Peninsula – The peninsula partially bisects the pond in the east-west direction. This feature extends the length of the flow path between the inlet and outlet which helps maximize water quality treatment (Figure 3). The design elevation of the peninsula is 1.9 feet above MSL, and in non-wet weather the peninsula should be partially visible above the permanent pond level (0.5 MSL). The elevation of the peninsula should be maintained to prevent short circuiting the flow path between the inlet and outlet using the same size and type of rock material that is currently found on the peninsula.
Side slopes – With exception to areas reinforced by rip-rap and gabions adjacent to the inlet and outlet structures , the STP has 3:1 side slopes. The slopes are stabilized by ter restrial vegetation at higher elevations which remain dry most of the time, and riparian vegetation along the lower elevations at or near the permanent pond level . To maintain integrity and capacity of the STP, the side slopes should be inspected for signs of erosion or failure and maintained as needed. Persistent and increasingly large bare areas or erosional features should be stabilized and replanted with species used in the original planting plan. Small erosional features due to water level fluctuations may repair themselves, but should be noted in inspections and addressed if conditions persist or worse n (Figure 4). In addition, riparian vegetation should not substantially encroach into the main pond as this will reduce the capacity to receive stormwater runoff. If this occurs, riparian vegetation can be trimmed when the STP is drawn down (use caution to not over-harvest vegetation which could cause erosion of side slopes). Maintaining a 3:1 slope is important for vector control so stormwater volumes drawdown with little to no shallow standing water that persists and provides mosquito breeding habitat.
Figure 3. Peninsula and main pond (waterfowl are standing on and near the peninsula)
BAYPORT STP INSPECTION AND MAINTENANCE PLAN
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Figure 4 - Minor erosion on side slope
Outlet structure – The outlet structure consists of two concrete risers fitted with metal grate trash racks (Figure 5). Low flow pipes were installed in the sidewall of one riser to control the permanent pond level. Flows from the outlet connect to the downstream end of the 48 inch storm drain and discharge through an outfall at the Oakland Inner Harbor. The outlet structure should be inspected for signs of wear and tear, trash should be removed from the trash racks, low flow pipes should be inspected to ensure they are not clogged and that the permanent pond water level is at or below these low flow pipes in dry weather conditions. Outflow pipes at the base of the outlet structure should be inspected for signs of deficiencies or clogging.
Figure 5 – Outlet structure
BAYPORT STP INSPECTION AND MAINTENANCE PLAN
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Perimeter fence – A fence surrounds the perimeter of the property and should be maintained and remain locked to prohibit public access.
Access path – An access path surrounds the STP and provides access for maintenance vehicles and street sweepers. Sweeping the path to remove goose guano will help minimize water quality problems. The best time to remove goose guano would be in late winter to early spring when wet weather would otherwise wash guano into the STP and subsequent warm weather promotes algal blooms. While the integrity of the access path does not need to be inspected on a routine basis, City maintenance staff should note any noticeable signs of failure (rutting, potholes, cracking, etc.) so repair can be planned in advance.
Storm drain force main and pump station –This Plan does not address maintenance of the storm drain force main, pump station, and associated trash rack. The City should continue those activities consistent with the pump manufacturer’s recommendations and current City protocols.
Aeration system – This Plan does not address maintenance of the aeration system. An aeration system was installed around the perimeter of the STP to prevent nuisance conditions, such as odor and algae blooms, but has not operated since it was installed and when the City assumed responsibility of the STP (Figure 6). Given the aeration system never functioned as intended and would be costly to repair and maintain, t he City does not intend to bring the aeration system back on-line at this time. If nuisance conditions arise in the STP, the City may consider alternative aeration systems which are less costly to repair, replace, and maintain.
Figure 6 - Stand pipe from aeration system
BAYPORT STP INSPECTION AND MAINTENANCE PLAN
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3.0 INSPECTION AND MAINTENANCE PROTOCOL
This routine inspection and maintenance protocol for the STP was prepared with a focus on:
• Maintaining capacity of the STP to capture required runoff volumes • Maintaining conditions at the STP to provide water quality treatment of runoff • Reducing the likelihood of nuisance conditions, hazards, liability concerns • Identifying longer-term maintenance tasks (i.e., sediment removal)
City of Alameda maintenance personnel conduct routine inspections at the site. One or two personnel should be able to conduct routine inspection and maintenance within 30 – 60 minutes.
All necessary safety precautions should be taken during any inspection and maintenance activities.
When to conduct inspections
Inspections should be performed on a quarterly basis and before and after storm events.
Inspections before and after a storm help ensure the STP is functioning and there are no issues which would b lock stormwater flowing into or out of the STP. The maintenance supervisor should use best professional judgement to determine if a storm event is significant enough to warrant an inspection at the STP before and after the event. One possible method for determining when to conduct storm related inspections is summarized here for reference. Storm events, for the purposes of conducting stormwater related inspections at construction sites, are identified as 0.5” or more of precipitation within a 48-hour period. When the forecast shows a 50% or greater chance of rainfall, pre and post storm inspections can be conducted at least 48 hours before and after the storm event. The following steps can identify if an event could produce 0.5” or more of precipitation in a 48-hr period:
1. Visit the NOAA website at http://www.srh.noaa.gov/
2. Enter “Alameda” or a Zip Code in the search box and click “go”
3. Scroll down to the page under “Additional Forecasts & Information”
4. Click on “Forecast Weather Table Interface” at the bottom of the section
5. Add the precipitation amounts predicted in the forecast table.
How to conduct the inspection
Prepare for inspection:
• Review the previous inspection form to know what conditions were observed at the last visit. Bring other equipment, if needed, to address conditions that were observed. • Gather basic equipment including a blank inspection and maintenance form, pencil, camera, gloves, trash bags, flashlight, long flexible rod or stick, and any necessary safety equipment.
Conduct the inspection:
• Upon arrival, fill out “Inspector Information and Current Conditions” on the form. • Walk the perimeter of the STP and observe the condition of each “STP feature”. Does each feature appear to be functioning or does it need repair? Check the box in the third column if nuisance conditions are observed for a given STP feature.
BAYPORT STP INSPECTION AND MAINTENANCE PLAN
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• Where issues are observed at a feature, review “Recommended actions”. Conduct basic maintenance to address the conditions if possible. Note what maintenance actions were completed on a given STP feature in the far right column. • Describe the condition of the feature, if actions were taken, or if follow-up is needed in the last column on the form. Also note if no issues are observed. • Take photos. Take overall pictures of normal conditions, and any unusual conditions or problems which require follow -up maintenance. Photos can identify if problems are persistent or getting worse, and can be used to communicate needs to the maintenance supervisor.
• Before leaving the site, note any other outstanding maintenance actions needed in the far right column. Including longer-term maintenance needs to be completed by other personnel, such as landscaping or sediment removal contractors.
Complete the inspection:
• Scan and save electronic copy of inspection forms and photos. • Store original copies of inspection forms at the City’s Maintenance Facility. • Inform City Maintenance supervisor of outstanding maintenance actions which require immediate attention, or longer-term needs which will require planning and budget. • City Maintenance supervisor should inform Public Works personnel of outstanding maintenance needs where additional capital costs, contract personnel, or other special circumstances are required to complete the maintenance action.
1 Bayport Stormwater Treatment Pond (STP)
Inspection & Maintenance Form
Circle one: Sunny Cloudy/Partly Cloudy Rainy/Wet No. Days since last rain (post storm inspection only)_________ STP
feature Are any of these conditions present? Recommended Actions Describe conditions, action(s) taken, follow-up needed Inlet
• Flow through inlet pipe is obstructed
• Significant signs of failure are present
(e.g. Significant cracks or chips, slumping
around structure)
• Clean and properly dispose of debris/litter from pipes • Describe significant new or changing signs of failure since last inspection. Notify manager of changing or
significant conditions to inlet structure
Inlet Slope • Rip-rap is misplaced/missing/ or large
bare areas are present • Replace rip-rap of same diameter as adjacent material Forebay &
Main pond
• Trash or debris is present on pond
surface or along the shoreline
• Remove and properly dispose of litter and debris that can be reached from shoreline with rakes or other hand
tools
• Notify manager if significant debris is in pond but
cannot be reached from shoreline
STP Slopes
• Significant erosion exists on slopes (e.g.,
rills, slumped areas, holes created by
rodents, bare unvegetated areas)
• Note location and photograph significant erosion and
changes since last inspection
• Notify manager/coordinate with pest control if
significant rodent holes are observed
• Repair actively eroding areas
Riparian
Vegetation
• Vegetation covers more than 25% of the
pond surface area
• Notify manager of excessive vegetation growth into
the ponded area. Mechanical removal may be needed
which can occur in dry periods or when pond is drained.
Water
Quality
• Significant oil sheen/odors/or algae are
present • Describe conditions and notify manager if problems persist
Date: Time:
Inspector Name:
Inspection: Quarterly Pre/Post Storm
Inspector Information and Current Conditions
Gravel berm is is NOT visible
Peninsula is is NOT visible
Rim of Outlet Tower to Water Surface (in.)________"
2 STP
feature Are any of these conditions present? Recommended Actions Describe conditions, action(s) taken, follow-up needed Outlet
• Flow through outlet pipe is obstructed
• Significant signs of failure are present
(e.g. Significant cracks or chips, slumping
around structure)
• Substantial litter or debris is on grate
• Clean and properly dispose of debris/litter from pipes and grates
• Describe significant new or changing signs of failure since last inspection. Notify manager of changing or
significant conditions to inlet structure
Outlet - Low
flow pipes
• Low flow pipes are clogged • Unclog the low flow pipes so water can flow through from the pond into the outlet
Vector
Control
• Mosquitoes are felt or observed on-site
• Dead birds are observed on-site
• Significant number of rodent holes are
present
• Note if any of these conditions exist and notify
manager
Perimeter
Fence • Fence is not secure or needs repair • Restore fence • Notify manager if locks need to be replaced
Other • Other issues or problems exist that are
not already noted • Note any other issues or problems observed, or if non- routine maintenance is needed
BASIN DIAGRAM & NOTES:
BAYPORT STP INSPECTION AND MAINTENANCE PLAN
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DISTRIBUTION
Final Bayport STP Inspection and Maintenance Plan
April 7, 2016
Copy 1: Liz Acord
City of Alameda
Public Works Department
950 West Mall Square
Alameda, CA 94501
Copy 2: Max Arbios
City of Alameda
1616 Fortmann Way
Alameda, CA 94501
Copy 3: James Barse
City of Alameda
Public Works Department
950 West Mall Square
Alameda, CA 94501
APPENDIX A
AS-BUILT PLANS
FISC/EAST HOUSING AREA
BACKBONE INFRASTRUCTURE IMPROVEMENTS
FOR CA TELLUS PHASE 2 RESIDENTIAL PROJECT
CD SKF En ineers
STP .. BBI STORMWATER TREATMENT POND IMPROVEMENT PLANS
BASIS OF BEARINGS
n-lE BEARING S67'25'47_"E BETWEEN STATION 4 AND_ STATION 5 OF TI-IE SEGREGATION LINE AS INDICATED ON TRACT MAP 7387.
BENCHMARK
USC&GS DISK "MAIN-All..' LOCATED AT TI-IE INTERSECTION OF MAIN STREET AND All.ANTIC AVENUE. ELEVATION = 3.25'.
DATUM
CITY OF ALAMEDA.
j
PHASE 2
RESIDENTIAL
BLOCK E
CORAL SEA STREET
CITY OF ALAMEDA, ALAMEDA COUNTY,
SAN FRANC!Sc6
BAY
LOCATION MAP
NTS
ALAMEDA
CALIFORNIA
OAKLAND
ESTUARY
REVIEWER'S STATEMENT
n-lESE IMPROVEMENT PLANS HAVE BEEN REVIEWED BY THE CITY OF ALAMEDA FOR CONFORMANCE WllH TI-IE DESIGN INTENT AND GUIDELINES
FOR THE MASTER DEMOLITION, INFRASTRUCTURE, GRADING AND
PHASING (MOIGP) PL.AN.
CARYL£:.£. RCE C23075 ... ,, t).l~I Jo'
HARRIS & ASSOCIATES
CITY ENGINEER FOR CA TEU.US PROJECT
ENGINEER'S STATEMENT
TI-IESE IMPROVEMENT PLANS HAVE BEEN PREPARED BY ME OR UNDER MY DIRECTION IN ACCORDANCE Willi STANDARD ENGINEERING PRACTICE.
GEOTECHNICAL ENGINEER'S CERTIFICATE
THESE IMPROVEMENT PLANS HAVE BEEN REVIEWED AND APPROVED JN CONFORMANCE WITH lHE GEOTECHNICAl REPORT PREPARED BY
TREAOWEU. & ROLLO, TITL£D "GEOTECHNICAL ANO ENVIRONMENTAL
INVESTIGATION TRUNK LINE BACKBONE IMPROVEMENTS FLEET
INDUSTRIAL SUPPLY CENTER (FlSC), ALAMEDA, CALIFORNIA"
DATED 2 SEPTEMBER, 2004.
f.,,..rµ' /I.JI
CRAlG HI GE 2556
GEOTECHNlCAL ENGINEER
TREAD\'lt'.'.U. & ROU.O
lJ
PROJECT DRAWING INDEX SHEET NUMBERING SYSTEM
STP-Cl.1
SHT. NO. DESCRIPTION
J [
~CATEGORY OF IMPROVEMENT
INDIVIDUAL SHEET NUMBER
TYPE OF IMPROVEMENT PLAN CATEGORY OF IMPROVEMENT
ABBR. DESCRIPTION SERIES NUMBER:
PROJl:CT
STP-C0.1 PROJECT COVER SHEET
-·51p-:co.2-""PRO"JECT DRA~NG-INDEX.--LEGEN"ci ANO ABBREViA110NS"-- -:§F~__Q_Q]:~ ·-PROJECT-G-ENERAL No1Es--·------·· ---------- ·--------------- STP-C0.4 -clfi--sfi\NoARO -Norrs___ - -- --·- ... . .. --- ----- STP STORMWATER TREATMENT POND C1 CIVll DRAWINGS
L1 LANDSCAPE DRA'MNGS STORMWATER TREATMENT POND
LANDSCAPE
STP-Ll.1 PHASE 1 PLANTING PLAN; NOTES AND DETAILS
sw-::IT;2 · . PH-ASETP-LANTING OET AILS ~-------··· ---- -... -· .. ·- -- -
LEGEND ABBREVIATIONS
== El<!fillllil IDllQI. PES@PT!Ol\I mllOl. PESCRpI!ON
EXISTING BOUNDARY ------ • AT MID MIDDLE
AB AGGREGAlE BASE MIN MINIMUN
AC ASPHALT CONCRETE NO., I NUMBER
CONTROL LINE --------
~).
BACKWASH UNE NTS NOT TO SCALE
--10s-- ____..---105-----. BACK OF WALK o.c. ON CENTER
CONTOUR LINE BBi BACKBONE INFRAS1RUCTIJRE OP OUTS1DE PIPE - BlDG BUILDING PG&E PACIFIC GAS AND ELECTillC
RIGHT-OF-WAY LINE ------ '"
BENCH MARK P/L PROPERTY UNE
BOT BO TI DI~ POC POINT OF CONNECTION
EASEMENT LINE ---- CB CATCH BASIN PROP PROPOSED
CD CONSTRUCTION DOCUMENT PT POltH
SANITARY SEWER MAIN SS C/L CENTERLINE PUE PUBLIC UTILITY EASEMENT --·--·---- co CLEANOUT PVC POL Yll1N'll CHLORIDE STORM DRAIN MAIN ---~q_ ___ CONC CONCRETE ~) RETI.IRN LINE
CONN CONNECTION RADIUS
SANITARY/STORM FORCE MAIN __ SS/SO __ CONST CONSTRUCTION RCP REINFORCED CONCRETE PIPE
OI DROP INLET RIM RIM ELEVATION
DOMESTIC WATER MAIN ___ J.VD _____ DIA DIAMETER RT RIGHT DWG DRAWING R/W RIGHT-OF-1'/AY FIRE HYDRANT El, ELEV. ELEVATION
l'I
SUCTION LINE EP EDGE OF PAVEMENT SLOPE EX., EXIST. EXISTING SD STORM DRAIN BLOW OFF (F) F1JnJRE , SDFM STORM DRAIN FORCE MAIN re, F/C FACE OF CURB SOMH STORM DRAIN MNIHOl£ WATER VALVE M FG FINISHED GRADE SHT. SHEET .. FH FIRE HYDRANT SPEC . SPECIFICATION
STREET LIGHT ··--,,~ Fl FLOW LINE SS SANITARY SEWER
FT FEET ssco SANITARY SEWER LATERAL CLEANOUT
CATCH BASIN @] G GAS SSMH SANITARY &WER MANHOLE
GB GRADE BREAK SID STANDARD
DROP INLET D GFCI GROUND-FAULT CIRCUIT INTERRUPTER S/W SIDEWALK GRO GROUND TC TOP Of CIJRB
SPOT ELEVATION x 101 x 101 HOPE HIGH DENSITY POL YETHYlENE !IMP TEMPORARY HP HIGH POINT TG TOP Of GRATE
MONITORING WELL q'; ID INSIDE DIAMETER TP TOP Of PAVEMENT IMPROV. IMPROVEMENTS m>. l'IPICAL FLARED END SECTION -;, INV INVERT W/ ~TH
JT JOINT lRENCH w, ... WATERLINE
STORM DRAIN ACCESS PORT ~:? LT LEFT
'"
WATER METER
LF LINEAR FEET WSL WATER SURFACE LEVEL
JET NOZZLE DIRECTION ..... LP LOW POINT 'IN WATER VAL'vE
MAX MAXIMUM
UNOERWATER JET •
DRAl'nNG DETAIL @--DETAIL NUMBER 1 REFERENCE SYMBOL
--SHEET NUMBER STP-C1.2
GENERAL NOTES
1. ALL \\'ORK SHALL BE IN ACCORDANCE WITH THE STANDARD SUBDIVISION IMPROVEMENT SPECIFICATIONS OF THE CITY !Jr ALAMEDA, DATED APRIL 1965 AND SUPPLEMENTED PROJECT SPECIFICAT!ON ENTITLED • FISC/EAST HOUSING AREA BACkBONE INFRASTRUCTURE IMPROVEMENTS FOR CATELLUS PHASE 2 RESIDENTIAL
PROJECT TRUNK LI NE IJTILI TI ES IMPROVEMENT PLANS, CI TY OF ALAMEDA, ALAMEDA COUNTY, CALIFORNIA", DATED MAY 12, 2.004.
2. SETS OF THESE PLANS AND PROJECT SPECIFICATIONS, TOGETHER WITH ANY
NECESSARY REVISIONS THERETO, WILL BE KEPT ON FILE, ONE IN THE OFFICE OF THE CITY ENGINEER AND ONE WITH THE PROJECT CONSTRUCTION MANAGER. .
3. ALL PUBLIC WORK SHALL BE PERFORMED AND COMPLETED TO THE SATISFACTION or THE CITY ENGINEER. THE CITY, AND ITS REGULARLY APPOINTED AGENTS, SHALL,
AT ALL TIMES DURING THE PROGRESS OF WORK, HAVE FREE ACCESS THERETO AND SHALL BE ALLOWED TO EXAMINE SOME AND ALL MATERIALS TO BE FILLED THEREIN.
4. ELEVATIONS ARE BASED ON CITY OF ALAMEDA DATIJM, PROJECT BENCHMARK IS USC&GS O!SK "MAIN-All" LOCATED AT THE INTERSECTION OF IMIN STREET ANO ATLANTIC AVENUE, ELEVATION 3.25 FEET.
5. ALL \\'ORK SHALL BE IN CONFORMANCE WITH THE SOILS REP<JRTS PREPARED BY
TREAOWELL&ROLLO , TITLED 'GEOTECHNI CAL AND ENVI RDNMENTAL INVESTIGATION TRUNK LI NE BACKBONE IMPROVEMENTS FLEET INOUSTR!AL SUPPLY CENTER (FI SC), ALAMEDA, CALIFORNIA" DATED 2 SEPTEMBER 2004.
6. ALL \\'ORK SHALL BE DONE IN COMPLIANCE WITH THE ALAMEDA COUNTY WIDE NPOES MUNICIPAL STORM WATER PERMIT NO. CA50029831 STORM WATER DISCHARGE.
EROSION ANO OUST CONTROL MEASURE:S SHALL BE IMPLEMENTED IN ACCORDANCE
WITH THE PROJECT STORM- WATER POLLUTION PREVENTION PLAN (SWPPP) AND MoNITORING PROGRAM USING BEST MANAGEMENT PRACTICE GUIDELINES;
7. ALL WORK SHALL BE DONE IN COMPLIANCE WI TH BAY AREA A IR QUALi TY MANAGEMENT OISTR!CT (BAAQMD) CONSTRUCTION PRACTICES.
8, ELEVATIONS AND LOCATIONS Of ALL EXISTING UTILITIES SHALL BE VERIFIED BY
THE CONTRACTOR PRIOR TO START OF ANY CONSTRUCTION AFFECTING SAID LINES, CONTRACTOR SHALL CONTACT USA{UNDERGROUNO SERV!CE ALERT) AT (800)642-2444 FORTY-EIGHT (48) HOURS PRIOR TO BEGINNING WORK TO VERIFY EXISTING UNDERGROUND UTILITIES. USA TO BE CALLEO PRIOR TO START DF EACH NEW PHASE OF 'liURK BY EACH CONTRACTOR AND EACH SUBCONTRACTOR PRIOR TO ANY EXCAVATIONS.
9. THE CONTRACTOR SHALL POTHOLE TO VERIFY LOCATIONS AND INVERTS OF ALL
CONNECTIONS TO EXISTING STRUCTURES PRIOR TO INSTALLATION AND NOTIFY THE ENGINEER OF ANY DISCREPANCIES. IF CONTRACTOR ELECTS TO NOT POTHOLE PRIOR
TO EXCAVATION AND AN UNFORESEEN CONOITION ARISES, ALL COST AND SCHEDULE IMPACTS AS A RESULT OF NOT POTHOLING Will BE BORNE BY CONTRACTOR.
10. CONTRACTOR SHALL SATISFY HIMSELF AS TO THE CORRECTNESS OF THE EXISTING TOPOGRAPflY PREPARED BY BKF ENGINEERS AND OTHER SITE CONDITIONS PRIOR TO CONSTRUCTION.
11. CONTRACTOR SHALL COORDINATE WITH THE CITY OF ALAMEDA PUBLIC WORKS
DEPARMENT ON THE SCHEDULING OF DUST CONTROL METHODS AND LIMITED WATER USE As REOUIREO WATER USE As REQUIRED BY THE CITY'S WATER CONSERVATION ORDINANCE. CONTRACTOR SHALL METER ALL WATER TAKEN FROM THE FISC WATER SYSTEM AND CC».!PENSATE THE CITY'S COSTS FOR THE WATER USED.
12. SHOULD IT APPEAR THAT Tl-iE WORK TO BE DONE OR ANY MATTER RELAT\VE THERETO
IS NOT SUFFICIENTLY DETAILED OR SPECIFIED IN THE CONSTRUCTION DOCUMENTS, THE CONTRACTOR SHALL NOTIFY CATELLUS ANO BKF ENGINEERS AT (925) 396-7700 BEFORE PROCEEDING WITH THE WORK IN QUESTION.
13. IF TEMPORARY LANE CLOSURES ARE REQUIRED FOR CONSTRUCTION OPERATIONS, THE CONTRACTOR SHALL PREPARE A TRAFl'"IC CONTROL PLAN ANO OBTAIN APPROVAL FROM THE CITY ENGINEER BEFORE CO!.f~ENCING WORK. THE CONTRACTOR SHALL ALSO
PROVIDE FLAGMEN, CONES OR BARRICADES AS NECESSARY TO CONTROL TRAFFIC ANO
PREVENT HAZARDOUS CONDITIONS PER CALTRANS, WORK AREA TRAFFIC CONTROL HANDBOOK AND CAL--OSHA SPECIFICATIONS.
14. PRIOR TO ACCEPTANCE OF VioRK, THE CONTRACTOR SHALL REPAIR_ ANO REPLACE TO CITY STANOAROS AtN .PUBLIC STREETS, CURBS, GUTTERS ANO SIDEWALKS DAMAGED BY CONTRACTOR DURING CONSTRUCTION OF THE PROJECT. ALL DAMAGE TO
EX I STING CURBS, PAVEMENT 1 SIDEWALKS, ANO ALL EXISTING PUBLIC IMPROVEMENTS ARE ASSUIJEO TO BE BY CONTRACTOR.UNLESS PROOF IS PROVIDED BY PHOTOGRAPHS
AND/OR VIDEOTAPE THAT THE DAMAGE IN QUESTION WAS IN EXISTENCE PRIOR TO THE START OF \\'ORK OR THIS DAMAGE WAS DONE BY OTHERS. ANY DAMAGE TO LIFE SAFETY DEVICES SUCH As TRAFFIC LIGHTS, TRAFFIC SIGNALS, TRAFFIC SIGNAGE, AND FIRE HYORANTS SHALL BE REPAIRED lf.IMEO!ATELY OR TEMPORARY FACILITIES
WILL BE PROVIDED BY CONTRACTOR UNTIL THE APPROPRIATE AGENCY CAN MAKE THE REPAIRS. THE C!TY SHALL BE HELO HARMLESS DUE TO DAl.IAGES BY CONTRACTOR.
CALL PET£ CARRA! IN THE CITY MAINTENANCE DIVISION AT (510) 748-4520 TO MAKE ALL NECESSARY MODIFICATIONS TO THE TRAFFIC CONTROLLER PRIOR TO. AND AFTER; CONSTRUCTION HAS BEEN COMPLETED;
15. CONSTRUCTION ACTIVITIES SHALL BE l!MITEO TO THE HOURS OF 7 A.M. TO 7 P.M.
ON WEEKDAYS AND 9 A.M. TO 5 P.M. ON SATURDAYS ANO NO WORK ON SUNDAYS UNLESS DEVIATIONS FROM THIS SCHEDULE ARE APPROVED IN ADVANCE BY THE CITY.
16. !H ORDER TO MINIMIZE CONSTRUCTION NOISE IMPACTS, ALL ENGINE-DRIVEN
CONSTRUCTION VEHICLES, EQUIPMENT ANO PNEUMATIC TOOLS SHALL BE REOUIREO TO USE EFFECTIVE INTAKE AND EXHAUST MUFFLERS; EQUIPMENT SHALL BE PROPERLY AJUSTED ANO MAINTAINED; All CONSTRUCTION EQUIPMENT SHALL BE
EQUIPPED WITH MUFFLERS IN ACCOROANCE WITH OSHA STANDARDS CONSISTENT WITH MITIGATION MEASURE NOl-GOP-1 ANO NOl-SOP-1 IOENTIFIEO IN THE MITIGATION MONITORING PROGRAM. SEE CITY OF ALAMEDA MUNICIPAL CODE SECTION 4-10.
17. BLOWING DUST SHALL 8E- REDUCEO 8Y TIMING CONSTRUCTION ACTIVITIES SO THAT
PAVING BEGINS AS SOON AS POSSIBLE AFTER COMPLETION OF GRADING, AND BY LANDSCAPING OISTUf(BED SOILS AS SOON AS POSSIBLE. FURTHER, WATER TRUCKS SHALL BE PRESENT AND IN USE AT THE CONSTRUCTION SITE. All PORTIONS OF THE S\TE SUBJECT TO BLOWING OUST SHALL BE WATEREO AS
OFTEN AS DEEMED NECESSARY BY THE CITY IN ORDER TO INSURE PROPER
CONTROL OF BLOWING DUST FOR THE DURATION OF THE PROJECT, WATERING ON PUBLIC STREETS SHALL NOT OCCUR. STREETS WILL BE CLEANED BY STREET
SWEEPERS OR BY HAND DAILY AND AS OFTEN AS DEEMED NECESSARY BY THE CITY ENGINEER. ALL PUBLIC STREETS AND MEDIANS SOILED OR LITTERED DUE
TO THIS CONSTRUCTION ACTIVITY SHALL BE CLEANED AND SWEPT ON A DAILY BASIS DURING THE \\'ORK \\'EEK TO THE SATISFACTION OF THE CITY. IN CASES OF NON-COMPLIANCE OF ADEQUATE CLEAN!NG OF THE STREETS, THE CONTRACTOR WILL BE GIVEN 24 HOUR NOTICE. IF NO ACTION IS TAKEN BY THE CONTRACTOR,COMPANY Will PERFORM THE NECESSARY SERVICES AT THE CONTRACTOR'S EXPENSE.
IN ADDITION, THE BAAQMO HAS PREPARED A LIST OF FEASIBLE CONSTRUCTION DUST CONTROL MEASURES THAT CAN REDUCE CONSTRUCT!ON IMPACTS. THESE MEASURES
SHALL BE FOLLOWED THROUGHOUT THE DURATION OF CONSTRUCTION ACTIVITY CONS\STENT WITH MITIGATION MEASURES IDENTIFIED I N THE MITIGATION MONITOR I NG PROGRAM. THE CONSTRUCT ION MANAGER MAY ORDER ALL GRAD I NG AND/OR TRENCHING OPERATIONS STOPPED UNTIL THE DUST PROBLEM 1S ELIMINATED. ANY
TIME DELAY ANO LOST COST WILL BE ENTIRELY AT THE CONTRACTOR'S EXPENSE ANO THE LOST TIME \\'ILL BE MADE UP ON OVERTIME OR 8Y ACCELERATION OF SCHEDULE. THE CONTRACTOR SHALL BE RESPONSIBLE FOR CLEANING
ADJACENT PROPERTIES SHOULD IT BE DETERMINED THAT THE CONTRACT ACTIVITIES LEO TO DUST ACCUMULATION. THE LEVEL OF UNACCEPTABLE DUST ACCUt.IULATJON SHALL BE DETERMINED BY CATELLUS REPRESENTATIVES.
1B. THE CONTRACTOR SHALL NOTIFY THE ENGINEER--OF-RECORD, IN WRITING, AT LEAST 4B HOURS IN ADVANCE OF ALL DIFFERENCES BETWEEN THE PROPOSED \\VRK ANO THE
DESIGN INDICATED ON THE PLANS ANO SHALL BE SUBJECT TO THE APPROVAL OF THE ENGINEER-OF--REC<iRO AND THE CITY BEFORE ALTEREO WORK IS STARTED.
19. THE GENERAL CONTRACTOR SHALL PROVIDE QUALIFIED SUPERVISOR ON THE JOB SITE AT ALL TIMES DURING CONSTRUCTION.
20. ALL WORK SHALL CONFORM TO THE APPLICABLE CITY/DISTRICT CODES.
SUPER I NTENOENCE OF CONSTRUCT ION SHALL BE Ol LI GENTLY PERFORMED BY A PERSON OR PERSONS AUTHORIZED TO DO SO AT ALL TIMES OURING WORKING HOURS.
THE STORING OF GOODS, EQUIPMENT AND/OR MATERIALS ON THE PUBLIC SIDEWALK AND/OR A PUBLIC STREET SHALL NOT BE ALLOl'IEO UNLESS A SPECIAL PERMIT IS ISSUED BY THE ENGINEERING DIVISION.
21. THE CONTRACTOR SHALL OBTAIN ANY PERMITS REQUIRED BY THE CITY OF
ALAMEDA FOR HAUL I NG ON LOCAL STREETS AND SHALL ADHERE TO THE PAVEMENT RESTORATION POLICIES AS DESCRIBED IN THE CONTRACT DOCUMENTS.
22. AT THE REQUEST or CATELLUS REPRESENTATIVES. THE CONTRACTOR SHALL NOTIFY ALL PROPERTY O\'INERS, TENANTS, ANO OTHER AGENCIES OF THIS PROJECT PRIOR TO THE START OF WORK. CONTRACTOR SHALL REMOVE ALL SPOILS GENERATED THROUGH THE CONTRACT ACTIVITIES FROM THE JOBSITE. UNLESS OTHERWISE DIRECTED BY CATELLUS.
23. TRENCHES AND EXCAVAIIQNS
TRENCHING SPECIFICATIONS fOR BAY MUD SITES ARE USUALLY RESTRICTIVE ABOUT EXCAVATION METHODS ANO SHORING REQUIREMENTS. ALL CONTRACTORS SHOULD CAREFULLY REVIEW THE TECHNICAL SPECIFICAT!ONS PROVIDED FOR THE PROJECT.
THE FOLLOWING OBSERVATIONS AND GUIDELINES ARE PRESENTED AS A SUPPLEMENT TO THE TECHNICAL SPECIFICATIONS:·
A. THE FILL SHOULD BE SEGREGATED \'a-iEN PERFORMING EXCAVATIONS. MOST
CONTRACTORS ACCOMPLISH THIS BY PLACING THE FILL ON ONE SIOE OF THE TRENCH AND EXCAVATED BAY MUD ON THE OTHER.
B. BAY MUD REQUIRES SIGNIFICANT DRYfNG ANO PROCESSING TIME TO BE REUSED AS COMPACTED F!LL. BAY MUD MUST BE SPREAD lN THIN LAYERS AND
DISKED OR TURNED TO FACILITATE DRYING SUCH THAT HIE MATERIAL MAY BE PROPERLY COMPACTED. BAY MUD SHALL NOT BE USEO AS STRUCTURAL BACKFILL.
HOWEVER, BAY Ml.ID MAY BE USED AS BACKFILL IN LANDSCAPE AREAS PROVIOEO IT IS APPROVED BY THE PROJECT LANDSCAPE ARCHITECT.
C. TRENCHES THAT EXTEND INTO THE BAY MUD SHOULD BE BACKFILLED AS SOON AS POSSIBLE AFTER PLACEMENT '.JF UTILITIES TO PREVENT BASE HEAVE OR TRENCH SLOUGHING. SIGNIFICANT LATERAL MOVEMENTS OF EXCAVATION WALLS CAN OCCUR IF THE TRENCHES ARE LEFT OPEN FOR EXTENDED PERIODS.
0. THE CONTRACTOR SHOULD CAREFULLY READ ANO UNDERSTAND CITY ANO PROJECT TRENCH BACKFILL SPECIFICATIONS IN REGARD TO fill MATERIALS AND COMPACT I ON REQUIREMENTS.
E. GLORY HOLE EXCAVATIONS ANO V-TRENCHING SHALL NOT BE PERFORMED.
THEY RESULT IN LARGE QUANTITIES OF HEAVY BACKFILL THAT CAN CAUSE LONG-l"ERM 0 I FFERENT IAL SETTLEMENTS.
24. PUMPING SUBGRADE
UNDER REPEATED WHEEL LOADS ANO/OR EXCESSIVE MOISTURE, THE EXISTING FILL CAN BECOME RUTTED AND DIFFICULT TO REPAIR. SOFT OR "PUMPING" AREAS CAN DEVELOP FROM HEAVY EARTHWORK EQUIPMENT. CAREFUL ATTENTION SHOULD SE
GIVEN TO THE CONSTRUCTION OPERATIONS TO LIMIT TRAFFIC OVER AREAS THAT
HAVE BECOME WET OR SHOW SIGNS OF SURFACE CRACKING DUE TO PUMPING SUBGRADE SOILS. \\'E PRESENT THE FOLLO'lilNG OBSERVATIONS AND GUIDELINES REG.~ROING PUMPING SUBGRADE SOILS;
A. SUBGRADE DAIMGE MOST OFTEN OCCURS \'il-JERE REPEATED HEAVY WHEEL LOADS ARE IMPOSED ON THE SO IL.
B. INCREASED SUBGRAOE MOISTURE CONTENT RESULTING FROM PONDED \'/ATER CAN
ALSO LEAD TO SUBGRADE DAMAGE UNDER EVEN LIGHTWEIGHT EARTHWORK EQUIPMENT.
C. NO WATER SHOULD BE ALLOWED TO POND IN TRAVELED AREAS.
D. CONCRETE TRUCKS SHOULD NOT BE ALLOWED TO WASH OUT IN TRAVELED AREAS, E. REPAIR OF OAMAGEO SUBGRADE IS t.IOST OFTEN ACCOMPLISHED BY SUBEXCAVATlDN TO DEPTHS RANGING FROM 18 TO 2-4 INCHES, PLACEMENT OF GEOTEXTllE FABRIC MIRAFI 500X OR EQUIVALENT TENSILE FABRIC FOR SOFT SUBGRADE SOIL AND TENSAR BX-1200 GEOGRIO DR EQUIVALENT FOR VERY SOFT SUBGRADE SOlL. PLACEMENT OF AGGREGATE BASE OR CLASS 2 PERf.IEABLE MATERIAL OVER THE TENSILE FABRIC OR GEOG~IO, DEPENDING ON Vn-JETHER IT IS ABOVE OR BELOW THE WATER TABLE, RESPECTIVELY. REFER TO THE SOILS REPORT AS STATED IN GENERAL tlOTE NO. 5 FOR ADDITIONAL RECO~'MENDATIONS.
THE DEPTH AND LATERAL EXTENT OF EXCAVATION SHALL BE DETER~!INED SY THE GEOTECHNICAL ENGINEER.
25. CONTRACTOR SHALL COMPLY TO ALL OSHA SAFETY REGULATIONS PERTAINING TO THE TYPE OF CONSlRUCTION PERFORMED ON THIS pRQJECT.
26. EXISTING ACTIVE UTILITIES SHALL BE PROTECTED. CONTRACTOR SHALL BY PASS ACTIVE SEWER FROM CGH DURING CONSTRUCTION SO AS NOT TO DISRUPT SERVICE.
27. CONTRACTOR TO MARK LOCATION OF ALL PROPOSED FACILITIES IN THE FIELD FOR APPROVAL BY BKF PRIOR TO INSTALLATION.
28. A COPY OF THE AS-BUILT DRAWINGS WILL BE PROVIDED TO THE PUBLIC WORKS DEPARTMENT OF ALAMEOA.
PRECEDENCE OF DOCUMENTS
1. CONTRACTS
1A CATELLUS CONSTRUCTION CORPORATION CONTRACT AGREEMENT
18. BID SCHEDULE
1C. PROJECT LABOR AGREEMENT (PLA)
2. GENERAL REQUIREMENTS
3. TECHNICAL SPECIFICATIONS
3A. SPECIFICATIONS ENTITLED "CONTRACT DOCUMENTS, FISC/EAST
HOUSING AREA, BACKBONE INFRASTRUCTURE STORMWATER
TREATMENT POND IMPROVEMENT PLANS, CITY OF ALAMEDA.
ALAMEDA COUNTY, CALIFORNIA, CONSTRUCTION ISSUE"
DATED AUGUST 16; 2005.
4. IMPROVEMENT PLANS
4A. PLANS ENTITLED"FISC/EAST HOUSING AREA, BACKBONE
INFRASTRUCTURE IMPROVEMENTS STORM WATER TREATMENT
POND IMPROVEMENT PLANS, CITY Of ALAMEDA, ALAMEDA
COUNlY, CALIFORNIA, CONSTRUCTION ISSUE" DATED AUGUST 16, 2005.
5. ANCILLARY DOCUMENTS
SA. GEOTECHNtCAL REPORTS AS SHOWN ON GENERAL NOTE
5 OF THIS SHEET.
SB. ERM SITE MANAGEMENT PLAN (SMP) DATED APRIL 23, 2002 SC. GEOTECHNICAL REPORT ENTITlED "MARSH CRUST INVESTIGATION REPORT" DATED 16 JULY 2002.
SD. MITIGATION MONITORING AND REPORTING PROGRAM (MMRP)
SE. ALAMEDA STORM WATER POLLUllON PREVENTION PLAN (SWPPP) SF. CITY OF ALAMEDA RECYCLING REQUIREMENTS (CHAPTER 21 & 24) SG. CITY OF ALAMEDA PAVEMENT REi-IABIUTATION REQUIREMENTS SH. OTHER REPORTS NOTED IN DOCUMENTS LISTED ABOVE
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GENERAL NOTES
1. FOR BASIS OF BEARINGS ANO BENCH MARK, REFER TO SHEET STP-C0.1.
2. CONlRACTOR SHALL COMPLY \lilTH ALL C\1Y OF ALAMEDA LAWS AND ORDINANCES; REGULAllONS OF THE DEPARTh!ENT OF INDUSTRIAL RELATIONS, D.S.H.A. ANO INDUSlRIAL ACCIDENT COMMISSION RELATIONS TO lHE SAFETY AND CHARACTER OF THE WORK, EQU\PMENT AND PERSONNEL lHE CITY OF ALAMEDA'S MUNICIPAL CODE CAN BE FOUND AT http://www.c!.olomed~.e?.us . .(g,~dmunlclpoLcode.hl~L
3. TilE OWNER SHALL BE RESPONSIBLE FOR OBTAINING All EASEMENTS, RIGIHS OF rnTRY, AND COORDINATE AS NECCESARY OR AS REQUIRED BY Ol'<NER.
4. PRIOR TO BEGINNING CONSTRUCTION FOR ANY WORK SHOl'M HEREON, lHE CONTRACTOR SHALL BE RESPONSIBl£ FOR OOTAINING All ENCROACHMENT, EXCAVATION, CONCRETE, ElEClRICAL, IRRIGATION, PLUMBING, DEMOLITION, ANO ANY OTI-IER PERMITS REQUIRED BY ANY APPLICABLE AGENCY NOT LIMllED TO BAAQMD AND OSHA.
5. CONTRACTOR SHALL POST EMERGENCY TELEPHONE NUMBERS FOR PUBLIC WORKS, AMBULANCE, POLICE AND FIRE DEPARTI.1ENTS, AND lHE CONTRACTOR. A DUPLICATE LIST SHALL BE PROVlDEO TO lHE PUBLIC WORKS INSPECTOR AT TI-IE TIME OF THE PRECONSTRUCTION MEETING.
6. CONTRACTOR SHALL PROVIDE AND MAINTAIN EROSION CONTROL AND STORMWATER CONlROL MEASURES PER PLAN ANO Sii-PPP.
7. CONTRACTOR SHALL HAVE A SUPERINTENDENT OR COMPETENT PERSON oN SITE AT All TIMES DURING CONSlRUCTION.
8. lHE LOCATION ANO PROTECTION OF ALL UTILITIES IS lHE RESPONSIBILITY OF lHE CONlRACTOR. CONTACT U.S.A. UNDERGROUND SEA\oiCE ALERT 48 HOURS PRIOR TO ANY EXCAVATION (800-422-4133).
9. lHE EXISTENCE AND LOCATION OF ANY UNDERGROUND UTILITIES, PIPELINES OR smucruRES SHO'/M ON lHESE PL.A.NS WERE OBTAINED BY A SURVEY OR BY REVIEW OF EXISTING PLANS. APPROVAL OF lHESE PLANS BY SKF OR RE\'1EW BY CITY ENG1NEER OOES NOT CCNSTilUTE A REPRESENTATION AS TO lHE ACCURACY OR COMPLETENESS OF THE LOCATION OR EXISTENCE OR NaN-EXISTENCE OF ANY UNOERGROUNO UTILITIES, PIPELINES OR SlRUCTURES WllHIN lHE LIMITS OF WORK. IT SHAU BE lHE CONTRACTOR's RESPONSIBILITY TO VERIFY lHE LOCATioN. Of All EXISTING UTILITIES PRIOR TO BEGINNING WORK.
10. THE CONTRACTOR AND SUBCONTRACTORS AGREE lHAT lHEY ASSUME SOlE RESPONSIBiLITY AND COMPLETE RESPONS!BIUT'f FOR JOB SITE CONDITIONS DURING THE COURSE Of coNSlRUCTION OF lHIS PROJECT, INCLUDING SAFETY OF All PERSONS ANO PROPERTY; ANO lHAT lHE CONTRACTOR SHALL DEFEND, INDEMNIFY AND HOLD TI-IE O\\NER, BKF, AND lHE CITY OF ALAMEDA HARMl£SS FROM ANY AND AU LIABILITY, REAL OR AUEGEO, IN CONNECTION WHH lHE PERFORMANCE OR WORK ON TillS PROJECT, EXCEPTING FOR LIABILITY ARISING FROM Tl-IE SOLE NEGLIGENCE OF 1HE OWNER OR lHE ENGINEER.
11. IT SHALL BE lHE CONTRACTOR'S RESPONSIBILITY TO COOROINAlE CONSTRUCTION \\!lH THE UTILITY AGENaES AND lHE SUBCONTRACTORS. IT SHALL BE lHE CONTRACTOR'S RESPONSIBlllTY TO NOTIFY SKF OF ANY DIFFERENCES OF LOCATION OF EXISTING UTILITIES FROM lHAT SHOl'IN, ~ ANY CONFLICTS Wint lHE DESIGN ilEFORE CONTINUING WORK IN lHAT AREA. CONTRACTOR SHALL OOTAIN SIGNAlURES FROM UTILITY COMPANIES THAT lHE WORK HAS BEEN COMPLETED TO THEIR SATISfACTION. OBTAIN SlGNAlURE SHEET FROM lHE PUBLIC WORKS INSPECTOR.
12. A CIVIL ENGINEER OR LAND SURVEYOR REGISlERED IN TI-IE STATE OF CALIFORNIA lllll SET ALL STAKES AND PROVIDE CUT SHEETS (TO BE APPROVED BY lHE .CITY ENGINEER) FOR lHIS PROJECT. lHE CONTRACTOR SHALL REQUEST STAKES 48 HOURS IN ADVANCE. THE CONlRACTOR SHALL CAREFULLY PRESERVE STAKES AND MARKERS. fN CASE SUCH STAKES AND !.IARKERS ARE DESTROYED OR DAMAGED 1HEY WILL BE REPLACED AT THE ENGINEER'S EARUEST CONVENIENCE. TilE CONTRACTOR WILL BE
CHARGED FOR THE COST OF NECESSARY REPLACEMENT OR RESTORATION OF STAKES AND MARKERS WHICH IN lHE JUDGMENT OF lHE ENGINEER \\£RE CARELESSLY OR FULLY OESTROYEO OR OAl.lAGED BY THE CONlRACTOR'S OPERATIONS.
13. lHE CONTRACTOR SHAtl EXPOSE (Le. BY POlHOLING) ANO CHECK INVERTS ON EXJSTING SEWERS, STORM DRAINS, ANO CLEARANCES OF KNOWN CROSSINGS OF OlHER UTILITIES BEFORE CONSTRUCTING HEW PIPELINES. IF THE CONTRACTOR DETERMINES TiiE O::ISTING INVERTS ARE NOT lN CONFORMANCE l'lllH lHE PLANS, DR CROSSING CONFLICTS ARISE, HE SHALL NOTIFY THE EN~NEER AND PUBLIC WORKS INSPECTOR BEFORE PERFORMING ANY WORK.
14. THE CONTRACTOR·IS RESPoNSIBLE FOR COORDINATING HIS WORK TO AVOID CONFLICTS BETWEEN MAINS AND LATERALS (1.e., STORM DRAINS, SANITARY SE\\£RS AND WATER MAJNS).
15. SliOULD IT APPEAR lHAT lHE WORK TO Bf.'. DONE, OR ANY MAmR RELATIVE THERETO, \S NOT SUFFlCIENTl Y DETAILED OR EXPLAINED ON THESE PLANS THE CONTRACTOR SHALL CONTACT SKF FOR SUCH FURlHER EXPLANATION As MAY BE NECESSARY.
\6. IT IS lHE DE'ltLOPER'S ANO/OR CoNlRACTOR'S RESPONSIBILITY. TO NOTIFY BKF AND
PUBLIC WORKS INSPECTOR UPON FINDING CONDITIONS IN THE FIELD WHICH ARE AT VARIANCE WllH lHE PLANS AND/OR WH!CH MAY REQUIRE ALTERING OF lHE PLANS PRIOR TO COMMENCEMENT OF WORK.
17. UPON APPROVAL OF THE PLANS AND SPECIFICATIONS BY THE CITY ENGiNEER ANY CHANGES TO lHE IMPROVEMENT PLANS NECESSITATED DURING CONSTRUCTION SHALL REQUIRE APPROVAL OF THE CITY ENGINEER THROUGH A PLAN REVlSloN SUBMlmo BY BKF. lHE CONTRACTOR SHALL BE HElD RESPONSIBLE FOR ANY FJELD CHANGES MADE WITHOUT 'MllffiN AUTHORIZATION FRO!.! SKF AND BY lHE CITY ENG1NEER.
18. COMPACTION TESTS WILL BE PERFORMED QN ALL TRENCHES ANO STREET WORK INCLUDING BUT NOT UMllED TO SUB-GRADE SOILS, AGGREGATE SUBBASE AND BASE
COURSE MATERIALS TO VERIFY THAT COMPACTION CONFORMS TO CITY STANDARDS AND lHE GEOTECHNICAL REPORT RECOMMENDATIONS (SEE NOTE 5, SHEET STP-C0.3). TESTING
SERVICES SHALL BE PERFORMED BY A CERTIFIED TESTING LABORATORY IN CONFORMANCE ll'llH lHE STATE OF CALIFORNIA DEPARTI.1ENT OF TRANSPORTATION (CALlRANS). SOIL SAMPLING ANO TESTING FREQUENCY SHALL CONFORM TO CHAPTER 8 OF THE CALlRANS CONSTRUCTI{)lifMANU~~- ANO AS DIRECTEO".ih'l\it"GEO"IECHNICAL ENGINEER AND/OR CITY ENGINEER. ALL TES11NG WILL BE AT THE CONlRACTOR'S EXPENSE.
19. All RELATIVE COMPACTION TESTS 'MLL BE SUBJECT TO lHE FOLL0\',1NG:
o) ANY SCHEDUL£0 RELATIVE COMPACTION lEST TiiAT IS NOT READY FOR TESTING 1\1lHIN 15 MINUTES OF ARRIVAL OF THE MATERIALS TESTING PERSONNEL SHAli REQUIRE RESCHEDULING. ANY COSTS ASSOCIATED l'lllH RESCHEDULING SHALL BE BORNE BY lHE CONTRACTOR.
b) SHOULD ANY RELATIVE COMPACTION TEST FAIL A RETEST SHALL BE REQUIRED.
COSTS ASSOCIATED Willi RETESllNG SHALL BE BORNE BY lHE CONTRACTOR.
W. ANY EXISTING IMPROVEMENTS DAMAGED BY THE CONiRACTOR SHALL BE REPAIRED AND/OR REPLACED BY lHE CONTRACTOR AT HIS EXPENSE, TO lHE SATISfACTION OF TI-IE aTY ENGINEER. PAVEMENT REPAIR, RECONSTRUCTION, OR FULL ASPHALT CONCRETE OVERLAY l'llLL BE REQUIRED BY lHE CITY ENGINEER FOR PAVEMENT DAMAGED DURING CONSTRUCTION.
21. A PRE-CONSTRUC110N MEETING SHALL BE HELD PRIOR TO THE START OF CONSTRUCTION l'r11H lHE FOLLOl'llNG PEOPLE PRESENT: OWNER, CONTRACTOR, ENGINEER, ClTY PUBLIC WORKS INSPECTOR, U11LITY COMPANIES OR lHEIR REPRESENTATIVES,
CONTACT CITY PUBLIC WORKS INSPECTOR ONE WEEK IN ADVANCE TO SCHEDULE A MEETING.
22. THE CONTRACTOR SHALL NOTIFY lHE PUBLIC WORKS INSPECTOR 48 HOURS PRIOR TO PERFORMING WORK REQUIRING INSPECTION. WORK PERFORMED OR COVERED l'lllHOUT ADEQUATE NOTICE 'MLL BE SUB.Jf:CT TO REJECTION.
23. CONSTRUCTION ACTIVITIES SHALL BE LIMITED TO lHE HOURS OF 7: 00 AM. AND 7: 00 P.M. MONDAY THROUGH FRIDAY. NOISE-GENERATING CONSTRUCTION ACTI\oiTIES SHALL BE LIMITED TO THE HOURS OF 8:00 A.M. ANO 5:00 P.M .• WORK ON SATURDAYS SHALL REQUIRE SPECIAL APPROVAL OF lHE CITY ENGINEER. NO CONSTRUCTION ACTI\oiTY SHALL BE PERMIITTO ON SUNDAYS OR STATE AND FEDERAL HOLIDAYS. WORK REQUIRING INSPECTION AFTER 3:30 P.M. M-F Will REQUIRE Clfl' CONSTRUCTION INSPEC110N FEE AT TIME AND A HALF (1-1/2). SAID FEE \'/Ill BE IN ACCORDANCF 'MlH lHE LATEST PUBUC ll'ORKS FEE O\oERTIME SCHEDULE. WORK DONE ON SATURDAYS REQUIRING INSPECTION IS PROHIBITED UNl£SS APPROVED BY lHE CITY ENGINEER AND AN INSPECTOR IS AVAILABLE.
INSPECTION FEES FOR SATURDAY WORK VALL BE AT TIME AND A HALF (1-1/2) 'MTH A FOUR HOUR MINIMUM.
24. ALL CONSTRUCTION VEHICLES SHALL AOHERE TO aTY OF ALAMEDA TRUCK ROUTES.
DURING C{)NSIBUCTIQN lHE CITY SIREETS SHA!! Rf CIEANED AS OfJEN AS RfOlllREO IO REMOVE ANY ACCUMULATION OF MUD ANQ QEBRIS RESULTING ERD!.J lHIS CONSJRI ICDON llif CONJRACJOR SHALi OBTAIN ANY PERMllS REQUIRED RY lliE CIJY Of ALAMEDA FOR HAULING ON LOCAL STREETS
25. STORAGE OF CONSTRUCTION MATERIAL AND EQUIPMENT ON CITY STREETS Vflll NOT BE PERMITTED.
26. nlE CONTRACTOR SHALL PROVIDE All LIGHlS, SIGNS, BARRICADES, FLAGMEN, OR OlHER TRAFFIC SAFETY DE\oiCES NECESSARY TO PROVIDE PUBLIC SAFETY IN ACCORDANCE llHH CALTRANS, WORK AREA lRAFFIC CONTROL HANDBOOK AND CAL-OSHA SPECIFICATIONS. THE CONTRACTOR SHAlL PROVIDE A TRAF"FIC CONTROL PLAN TO lliE APPROVAL OF lHE CITY ENG1NEER. THE CONTRACTOR SHALL ALLOW A MINIMUM or 5 WORKING DAYS FOR REVIEW.
27. NO PARKING SIGNS ARE AVAILABLE AT lHE BUILDING SERVICES OFFICE, ROOM 190, CITY HALL SIGNS SHALL BE POSTED 48 HOURS IN AOVANCL A FEE \\lll BE CHARGED FOR THE SIGNS. ONLY aTY OF ALAMEDA ISSUED NO PARKING SIGNS v,1u BE ALLOWED. lHE CONIBACTOR SHALL ALLOW A MINIMUM FIVE WORKING DAYS FOR REVIEW.
29. STATIONARY NOiSE-GENERATING CONSTRUCTION EOUIPMENT SUCH AS COMPRESSORS SHALL BE LOCATED AS FAR AS PRACTICAL FROM OCCUPIED RESIDENTIAL HOUSING UNITS.
JO. CONlRACTOR SHAU BE RESPONSIBLE FOR RESPONDING TO AND MITIGATING ANY LOCAL COMPLAINTS ABOUT CONSTRUCTION NOISE.
31. CONSlRUCTION EQUIPMENT, TOOLS, ETC. SllALL NOT BE CLEANED OR RINSED INTO A STREET, GUTlER, STORM DRAIN OR STREAM. SHOVEL OR VACUUM SA\\'CUT SLURRY ANO REMOVE FROM SllE.
32. A CONTAINED AND COVC:RED AREA ON-SITE SHALL BE USED FOR STORAGE OF CEMENT BAGS, PAINTS, R.AMMABLES, OILS, FERTILIZfRS, PESTICIDES, OR ANY OTHER MATERIALS THAT HAVE POlENTIAL FOR BEJNG DISCHARGED TO 1HE STORM ORAIN SYSTEM BY WIND OR IN lHE EVENT OF A MATERIAL SPILL.
33. ALL CONSlRUCTION DEBRIS SHALL EIE GAlHEREO Otl A REGULAR BASIS AND PLACED IN A DUMPSTER WHICH IS EMPTIED OR REMOVED \\f:EKL Y. WHEN FEASIBLE, TARPS SHALL EIE USED ON THE GROUND JO COLLECT FALLEN DEBRIS OR SPLATTERS lHAT COULD CONTRIBUTE TO STORMWATER POlLUTION. ANY lEMPORARY ON-SITE CONSTRUCTION PILES SHALL BE SECURELY COVERED V¥11H A TARP OR OlHER DEVICE TO CONTAIN DEBRIS.
34. CONCRtltfGON1TE !RUCKS ANO CONCRETE/PLASTER FlNISHING oPERAiiONS-'sHALL NOT DiSCHARGE WASH WATER INTO THE STREET GUITTRS OR DRAINS.
35. TRASH AND DEBRIS SHALL BE CLEANED UP DAILY ON ALL PUBLIC STREETS IN lHE PROJECT V1CINlf1' AND ALONG HAUL ROUlES. SWEEP AS NEEDED AND AS DIREClEO BY lHE PUBLIC WORKS INSPECTOR.
36. lHE CONTRACTOR SHALL RECYCLE/REUSE AT LEAST 50JIO OF lHE REMOVED CONCRElE, ROCK, ASPHALT OR OlHER SlMILAR MATfRIALS TO AN APPROVED MATERIALS RECYCLING LOCATION OlHER lHAN A LJ.NDFILL lH€ 503 SHALL BE OElERMINEO BY WEIGHT OF MATERIALS. COPIES OF All OIVERSION/PISPOSAL WEIGHT/RECEIPT TAGS SHALL BE SUBMITIEO TO lHE PUBLJC WORKS CONS1f!UC110N INSPECTOR.
37. 1HE CONTRACTOR SHALL SU!lMIT A WASTE REDUCTION AND RECYCLING PLAN (WRRP) PRIOR TO CONSTRUCTION. lHE VJRRP MUST BE RE~E\\'EO AND APPROVED BY lHE PUBLIC WORKS STAFF BEFORE DEMOLITION. lHE APPROVED WASTE REDUCTION AND RECYCLING PLAN FINAL SUMMARY REPORT MUST BE FILLED OUT ANO SIGNED BY lHE CONTRACTOR AT PROJECT COMPLETION. BLANK l'IRRP FORMS ARE AVAILABLE FROM THE PUBLJC WORKS CONSTRUCTION INSPECTOR.
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~ A 1 94588-3323 llEVl•m n WP. ....,.. STP-C0.4 l-
0z2~0·· E~'""'"l!unmoR1/Pti"1I"• TEL:925/J96-7700 c ATE LI l J s J-!''-.l.-=,.,---,---'==::,,----,-----;,:!.,c'--'-'"'-J T NOARD NOTES owa. CA .. FAX:925/J96-7799 . I OEl<IGN'D wsv OMWN MM C!<!a<Hl DGS CITY s A -~g DATI! 11/15/04 ~QM.Ii NTS Pl!~TNO, 20010182-24
\
\
I
I
MAN POND
FOREBAY
' ~------------~--------~--------"'"'··---------c -""!'.=--~-~--..,,__~-~---~-~ ~-~-~~ -.'.;'.-.-.-.. -.-- ~· -.-.-.. -~ - ·- -. -.-.-.-Q --.--·~~~- ".'"" ---~ ~- ~~• ~· -·~· ~- -· - -· u- ~ - ~
EX BOUNDARY LINE
_ _!~"°-~=-~~----, ~ (£) T(\e0""" ~o\€
3-4" CO DU!TS TO RISER
ON NEAR ST TRANSM SSION ~\'·,1>'11\(\"\ ls·.L,\',i\/.~!~\ 1,-::d· ~: .. ( ~r(
LINE POL
GRAPHIC SCALE
~--20 0
LEGEND
20 JET NOZZLE DIRECTION
UNDERWATER JET
SEE DETAIL 1/C2.3
(R) "' RETURN LINE
(S) "' SUCTION LINE
(B) "' BACKWASH LINE
ELEClRICAl PRIMARY BOX
48" X JO" X 36' DEEP
SEE DETAIL 1&2/Cl.3
ELECTRICAL SECONDARY BOX
48' X 30" X 36" DEEP
SEE DETAIL 2&3/C1 .3
40 ELECTRICAL PULL BOX CHRISTY
1324 BOX 'MTii 81324-S1JH LID
(H20 RAIEO) OR APPROVED EQUAL
TRANSFORMER PAD 108" X 90"
SEE DETAIL 2/C1.2
METER PEDESTAL
ELECTRICAL CONDUIT
1. 4" PVC SHALL CROSS OVER EX. SDFM AT
INV!RT SHOWN ON PLAN.
2. SEE DETAIL 1/C2.3 fOR UNDERWATER JET
J. All UNDERGROUND PIPING AND CONDUIT
TO BE OUTSIDE OF 1HE HIGH WATER
ELEVATION OF THE POND EXCEPT FOR
THE JET PIPING.
4. ADD AIR RELEASE VALVE. AS DESCRIBED
ON DETAIL 3/C1.2.
5. CONTRACTOR SHALL PROVIDE ~RING,
METER PEDESTAL, ANO BREAKER
SUBMITIALS TO BE APPROVED BY
ELECTRICAL ENGINEER
6. CONTRACTOR SHALL REFER TO ADDITIONAL
REQUIREMENTS SET BY ALAMEDA POWER &
TELECOM AS REFERENCED ON DETAIL 4/C1 .3
' ~
~
i '8
EX G~~U~~ X
io
' "'
6"
EX GROUND X
EL 2.9 2.
10'-6"
6'' INTAKE VENT INSIDE VAULT EXPAND
TO 10" OUTSIDE VAULT
ACCESS HATCH-
36" x 42"
H20 LOAD RA TEO
(PROVIDE CLEAR
SPACE BELOW)
I
5"
5" ,_
10" DIA
BLOWER
EXHAUST
TOP OF VAULT
El 5.4
1"
SEE DIAGRAMATIC ( 6
DISCHARGE
PLUMBING
~15:'.'< '<.".V! '1':"'" ,.,r.c ;u,•; 1-f.~~ "·~;~
'"" X
EX GROUND ~ .
EL 3.0 ~
.ic.'1il r,:~.1 ~.M ~~ ;"I,~ 10.0·;1 <":~ !"~_(, ;,f''~) f;('<'Jj P'o-i'i<, 6" BUTTERFLY VALVE
XEX GROUND
EL 3.5
GFCI RECEPTACLE
~
3 WALL !':!. 18" ABOVE FLOOR
C2.J PENEIBATION §? CHRISTY 81324
~ 8" BUTTERFLY ,n.. ff.S~M~4f.'UXM~8"
,, VALVE '°
~'l6" AlR INTAKE PIPE lf")'k~-n-tt-,!l-Tt~f';::=====~l
~ FlL TR A Tl ON I o, -.., MANIFOLD
~ 8"X6" CONCENTRIC
~' REDUCER ,,
~ MAIN POND PUMP---+---i--( (
~
• t\1
@,
6"
6" PVC (R)-H--+•I
LIGHT SVilTCH
cy,;'~l' ~-,,;.1 ·~·:;11 1.1.';:r. ~~;;~
LADDER ATTACHED
TO WALL
"i
12" MIN I
CLEAR ·
'
Jr'
,--,
' ' ' '
4" PVC (R)
',_[~ANWAY
'---->-- PROVIDE
CLEAR SPACE
FOR MANWAY
DOOR
SVllNG
30"
PANEL
;;:-';,•I ,_~13 ;_,._,_,~ "~·"'' '-'1<'
FILTER TANK
~--,-\ ,,,:_--~4
4"
[;i
~l
~"\ .. ~
[~
[~'
;~
i}
;'·,
!:'
i'f
ISPAG[NG
' h1
t1
;.!<; ~··:;,~:
TOP OF HATCH
El 5.4
GR OU NO GROUND
~l3.5
:',,\i_'iCJ:C''_, __
VAULT RISER-
EXTENSION
LADDER-t-t--i
~
W Ul\I 1.....tl'-llt•Ut:::I U
SEE DETAIL "A"
THIS SHEET \
GROUND ·---:..,
I ' i/EL3.0 'EX GROUND GROUND
I - ---{- - ----. nL2.8
EL J.Z I 8 I GROUND
10" PVC AIR L _J ~ ~ - _ ___/ .
INTAKE PIPE"""\. - WALL 3
PENETRATION C2.J.
ELEV 1.1
L~~~--rl 6" PVC AIR
"'f'o'-
LLIGHT SWITCH
RECEPTACLE FLUSH
FLUSH WITH HATCH
INTAKE PIPE
1-14.-l---uNISTRUT (TYP)
VIALL ~
PENETRATION CiJ.
6" PVC ~~) 6 El -2.0
6"x4"
REDUCER
6"x6"
CONCENTRIC
REDUCER
MAIN PONO
PUMP
EL -5.5
r--------------, I 4" I ~e._,(_/ AIR VENT I I CAP I
I I
I 1/2" DIA. i
I HOLES _1
1 @ 4" oc
: soTH WAYs:
I I
I I
I -\_-- I 1-, I
I v EX I
L------------2~~J
DETAIL A
SCAIT:ITT'S
· :--:m'~':lrn-: =1 n~~:1rr:::g11r::':':ll1- -'111' __ :nr · T11::-:..TI r::.n 1 '.'J: 1-::-ffr-' '-111-~ 1f'-Y1~
ACCESS PATH NI
36"lx 30" x g"
PANEL
PROVIDE CLEAR
SPACE FOR
CONffiOL PANEL
EL -6.5
3'\ WALL
.c2.J} PENEIBA f16N
INV -2.0
3\ WALL
.C2.J/ PENEIBATJON
INV -3.8
INV -5.5
3\WALL
.czj)PENEIBATION
~TALL PRE-CAST CONCRETE VAULT MODEL aio-Ms-csc oR APPROVED EQUAL BY OLOCASnE PRECAST AT LOCATION SHO'ffl\J ON DRAWING C1.1
PUMP VAULT TOP VIEW
SCALE: 1"=2'
r---,
f l TI·llS SHEET
I I
I 0 1---SEE DETAIL A
- -- - - ·- - -·- ---l;; - ;;J --
-[EX GROUND j o" PVC BLOWER
EL 4.2 EXHAUST PIPE
PLACE LIGHT
IN CENTER
OF ROOM
3 \WALL
C2.J} PENEffiA TION
" ~
__!h_jJ_
t......,..,,1-t--t-BLO\\IER
6"
CAST IN PLACE
CONCRETE
GFCI RECEPTACLE
18" ABOVE FLOOR
,-,u ;1p-J 1. i;-~~_11_1; 1-:11 r:i·:,:;:1 ; 1;1:,:I I ii-1:;1 !f;'1~U.! 1 -<T·;·l \-,ii.dJr-1--1_..1 :·,:, 1 IJ.-, ,:! 1_ 1,-1) : :..~~~!.! i, ;.,) i J; ACCESS PATtt
FASTEN PUMP TO
FLOOR OF VAULT
Wini STAINLESS
STEEL 80!..TS
PLAN VIEW DIRECTLY ABOVE PUMPS
W/DIAGRAMATIC SUCTION PLUMBING
SCALE: 1"=2'
L
SEE DETAIL B
ON Ttt!S SHEET
t' -- ..
I
I
: JJ: <I i L2" FIBER GRATE " . __ ,,
EL -3.5
DETAIL B
SCALE: NTS
r----------------~ I 4-1/2" 1-1/2" • I
I r'!r= NI
I I
I SUCTION I
I INTAKE I
I VIALL FIBER I
I GRATE I
ELEVATION DETAIL 3
SCALE: 1 n=2'
MAIN POND FOREBAY
L ________________ J 'g g ~~UT~~T·
ORIGNAL GRADE 3 VIALL ~ ~ WITH
C2.J PENEffiATION SUMP ~
El -4.0
- '
WALL 63
PENETRATIONC2.J.
46" X 46" l.D.
lli:r ~~~ ~ ·1;~~-· t''t ~t~
EQUIPMENT LIST·
6" MIN-1
6~~6;ENTRIC! I I •
G) 6" BUTTERFLY VALVE
@ 6" CHECK VALVE
@ 4" BUTTERFLY VALVE
© 4" CHECK VALVE
® 2" CHECK VALVE
FILTER
El .:..6.5
EL -7.0
t,' r·';·
8" PVC (S)
BEYOND
6" PVC {S)
TO PUMPS
VIALL ( 3
PENETRATION \C2.3
REDUCER '
JlQIESc
PUMP
DISCHARGE
FOREBAY
PUMP
flLTER
1. REFER TO DETAIL 2 OF THIS SHEET FOR DIAGRAMATIC SUCTION PLUMBING INFORMATION.
2. All LABELED PIPES SHALL BE PVC.
EOUIPMFNI ! EGEND·
'<:
I;; _[~ EL-B.5 ·Ii!; ~ ln fi1 '._,, .• "'--- <0;:;; 1. SEE SPECIFICATIONS FOR CIP CONCRETE. 0 ~ SUMP PUMP ~ 2. STEEL REINFORCEMENT SHALL BE! #4 REBAR, O.C. BOTH WAYS ~ {R) RETURN LINE
(8) BACKWASH LINE
~ I CENTER LIGHT ON VAUL t CEILING CENTERED IN WALLS ANO FLOOR SLAB. USE 3500 PS! CONCRETE, J; · ' 5 SACK MIX WITH 3/4" MAX AGGREGATE. cti
~ ! 4 ELEVATION DET Al~ 4 SUCTION INTAKE DIAGRAMTIC DISCHARGe PLUMBING ~ : ~,:.: .;.. SCALE: 1"=2' SCALE: 1 "=1' SCALE: NTS ~
/0 ~
:~ c : "115 I
·~~ ~
O st,e-CONSll.TANT PR<ITT,.1oii1.!..W. _,,,-..-- CONSULTANT DEVELOPER OWt>ER CITY OF ALAMEDA arr~-.i. AP!>ROVEDBY D') '~~
•o FISC/EAST HOUSING AREA BACKBONE INFRASTRUCTURE IMPROVEMENTS I cm' ftlt&R ~ FOR CATELLUS PHASE 2 RESIDENTIAL PROJECT MT& I=
STP-BBI STORMWATER TREATMENT POND IMPROVEMENT PLANS ~
- STP-C2,2 Iii
AERATION PLAN DETAILS I ,~. I :· i5
--------- 0
CALFCANA IQ
ENGi.JEER.NG DEPARTMENT
Bkr 41BOCHtJ~t~~ -+ •••• "Im.
-~ >LEASANTON, CA _ - ~ T ~- DGS
L\i m,,;;;:::m; CATE LI.US ~ ·~ JHr1°y:, :'.'.:: ~~ Sf121'1N AA~'' '°""",_,. C l~~~~~~~~~~~~~~~~~~~~~~~·':"~'~~·~:•:o:•~~~';E:R•~F~AX~'~92~5~/3~9:6~-7~7:9~9~~~~---=~~~~-L_ _ _::::::_ __ __[;,;, . .____t~tL/~15'£"'4__-1'""e~~- : ~~ ,,
~~
<:Jed;,,,_
'"[
----1
- I --i--c<~o---.·rA-----
:..------- ·1-.h_r
'--M-- 0---1>4---
!
l
~
;;~
~~
/~
~o
5.0' BENCH
ELEV 1.2' WATER SURFACE LEVEL·
EX WEIR PER
SD0-881 CON1RACT
o.u tlt\r t.TH.JHJeers
CHRISTY 69
·~
WATER SURFACE LEVEL
CLASS I!
DRAIN ROCK
6" Sll::EVE
4" SLEEVE
1~ PVC
RISER
BOX AND B9D LID
RETURN LINE FROM SUMP
SEE PLAN FOR PIPE SIZE
EL 0.5 El 0.5
EX WEIR (6'X6')
PER SDO-BBI
CONTRACT
3 \WALL
~
~~~ 'i.W.-'0.~
~
Tw" ,J: n INV -2.0 PENETRATION r
m
DUCK Bill
CHECK VALVE
. SEE DETAIL A \\l~\\\ <Ju~Jd1f\"'11Y\~Sc:.u~\\. 'Z'l' ''*'.H~I(' INSTALL LINK SEAL~
PER SPEClflCA TIONS ""'
5" 5"
17'
SECTION VIEW
SCALE~ 1' = 20'
CORE DRILL 3/4" DIAM-----..~
HOLES AT 3" ON CENTER
Will-I 3"' EOGE CLEARANCE
FOR VENTILATION
CHRISTY Seo LID
SCALE: 1" - 1'
FOREBAY
EXIST
GROUND
BASIN
BOT El -4.0
llilillc
J
12" CLASS II
DRAIN ROCK
BELOW McDANIEL
TEE
~
~
~ ~ 1~~
I l~I"' ·a
1. iJ-lE POND LAYOUT AND GRADES SHOWN ARE EXISTING
PRIOR TO START OF THIS PROJECT.
2. SEE SHEET C2.2 FOR PIPE INVERT ELEVATIONS.
' ' 1-1/4" McDANIEL TEE'°"-,
MIRAFI 500 X OR EQUAL
GEOTE.XTILE f ABRIC
UNDERWATER JET
5'
BENCH
SCALE: 1" = 20'
' ' ' '
MAIN POND
1 L::,
J
BASIN
BOT EL -4.0
FISH POOL
3: 1 SLOPE
BOT EL -5.5
®
SECTiON VIEW
EX 10' ACCESS ROAD
PER 2S-BB1 PL.ANS
NTS
EL 0.68
' ' ' ' '
~I . ~v-1'/,'<\\\\ \~qL,:t,o \.>;,,, \~'"•\' \' "°"i ~.ltJ ·?:J~ 1.1.fu\\\\.\ >«M 1,.J\h ... - \~i..la.:i~ioti
·.~ UTILITY IBENCH ( !5
OETAIL
2.5" PVC PIPE
EL -2.0
ltlVERT
®
PIPE COVER
NTS
I
jN-\f'"""e.-a--
EL -3.3
PVC PIPE
I
PVC P!PE
EL -4.0
ir,
-;;,i-- ~1
_!;:J_,_~ .. Q
EX FOUNDATION SLAB
PER SD0-881 CONTRACT
1" (TYP;:r
(CORE DRILL HOLE THROUGH
VAULT WALL ACCORDING
12" CLAY CAP
REMOVE & REPLACE
CAP FOR INSTALLATION
OF DISCHARGE PIPE
iii "' -------------------------------------
I--- UNISTRUT
4" PVC
BACKWASH
DRAIN LINE
4" INV -6.5
TM i 1-~ --1
:,11'.-~1pr:]I db - _,.
" ~ TO SPEClflCA TIONS.
DETAIL "A" WALL PENEmATION
~
§
z
~
~
~
BACKWASH LINE
SCALE: 1 "=2'
SCALE: N.T.S.
A=4 INCH (PIPE 0.0.)
C=1.5 INCH (CUFF LENGTH)
H...,8 INCH (BILL HEIGHT)
L=10 \NCH (LENGTH)
HQIE;_
NUMBERS INDICATE MAXIMUM DIMENSIONS.
CONFORM TO FINISHED GRADE
REPLACE CLAY CAP
(TYPE TO BE DETERMINED
BY GEOTECHNlCAL ENGINEER)
II l g I N~T5~~~LWi'JtL g COMPACTION
~ SUBSEQUENT BACKF 1 ll
··~·.It
SAND OR CLASS 11 CRUSH ROCK
95% RELATIVE COMPACT I ON
INITIAL BACKFILL
:.,
~1 ~
--T
~
t.
SEE NOTE 2 -1
1 6"1 MIN
g
':.i.10
~
SEE NOTE 2
-l··I IN
SCALE: 1 "=1'
g
il m
g
~I~
REMOVE, SALVAGE AND
RE INST ALL AMENDED SO 1 L
NATIVE MATERIAL
95% RELATIVE
COMPACT ION
SUBSEQUENT BACKFILL
SANO OR CLAsS t l CRUSH ROCK
95% RELATIVE COMPACTION
INITIAL BACKFILL
1. THIS DETAIL APPLIES TO TRENCH AREAS WITHIN
BOTTOM OF BASIN TO THE TOE OF BENCH
1. THIS DETAIL APPLIES TO TRENCH AREAS WITHIN
THE BENCH TO THE TOP OF BANK OF POND
2. 3" MIN SEPERATION BETVIEEN PIPES
J. SQk £-( - ~··~'-' C.o~l(
4 \ UTILITY TRENCH WI BAY MUD CAP
NTS
2. j" MIN SEPERATION BETWEEN PIPES
;, 'J~ ~-~-Q·~lt"'it(
W UTILITY TRENCH W/OUT BAY MUD CAP
8 NTS
~
Iii
!
~~
~ Sl.9-CoNSli.TANJ' i>llOF6S!i1Cliil.$1!.l.L CONSULTANT DEVB.OPEil OWJIER CITY OF ALAMEDA crrr..-mil!Vl. Afl'ROl'El>PY ~ / CA!...FORNA gf
~~ ENQMERING ~ARTMENT -
~~ . . 4780 CHABOT DR -+ •. . FJSC/EAST HOUSING AREA BACKBONE INFRASTRUCTURE IMPROVEMENTS ,:!o --~akr SUITE 104 , ' FOR CATELLUS PHASE 2 RESIDENTIAL PROJECT ~ ·~·1 PLEASANTON, cA I ~ , , STP-BBI STORMWATER TREATMENT POND IMPROVEMENT PLANS ~ .. - 94588-3323 y 1 .
I:! 0<~1NEeii9JF<VhQJjlil.Al<NORS TEL: 925/396-7700 c ATE L I l J s NCI. R!!Vl .. D IY /.PP. '~~ FAx,925; 390- 7799 . ' ... ' ·- wsv OM'" MM ~ DG5 AERATION PLAN DETAILS :::i3 n.,.,, 11/1!'\/04 """'-" AS SHOWN ""'""""'"'· 200101s2-24 CfTY ENatBR ~
DATE ti
:::>
·-· STP-C2,3 J!:
DWQ. c.1,..- ~
8 ··~
w
z
--{i.i1RAF!-600X-OR EoU1VALENTfTHEN PLA-c1NG 12
!NCHES OF 3/4 !NCH DRAIN ROCK.
LEGEND
~
h<:I
~
-
PROPOSED 3"-4" MINUS GRAVEL
PROPOSED BACKING NO. 2 ROCK PER
CALTRANS SPEC. NO. 72-2.02
(METHOD A). SEE DETAIL 1 SHEET Cl.2
EX BACKING NO. 2 ROCK
SPEC. NO. 72-2.02 (METHOD 8).
(TO REMAIN)
EX 12" BAY MUD PONO LINER
PER 25-881 IMPROVEMENT PLANS
(TO REMAIN)
ACCESS PAlH. SEE DETAIL 5
SHEET C1.3
N'!'llOVEIBY
=-...
-STP-C1.1
... ··~
~ \
"' 0
g
Iii
~ :::>
<(
~
ii I-0 :::>
~ 0
.....
IL:,
J
PLACE 3'-4"
MINUS GRAVEL
" 3
SECTiON A-A
NTS
SECTiON B-B
NTS
ISiC
EL -40
El -3 5
MAIN POND
fEX 12" BAY MUD CAP J
~_l__
. " r-·- -
f )2 . I 5 ,, ________ J
G) 12"x\2" KEYWAY
PERIMETER FOOTING
fOREBAY
,.
G) 12' LAYER OF BACKING NO. 2 ROCK PER
CAlffiANS STANDARD SPECIFICATION NO. 72-2.02
(METHOD A PLACEMENT)
(2) CLASS 2 DRAIN ROCK
0 BAtlAST J" TO 4" MINUS GRAVEL
©
MIRAFl 500 X OR EQUAL
GEOTEXTILE FABRIC
© MIRAfl 600 X OR EQUAL
GEOTEXTILE FABRIC
ED GRAVEL BERM WITH FILTER
_ NTS
Jlef, Dwg, - D
,CIRARANCE Rf0111REMENT
NOTE$:
I
1 (~RO-'IJ ROO ~IP.kl)
1-"-c------(~~~:cc'---------1
I. U"1.(SS O!lltK11!St 5P(NrEl, IJ.l ~.~t~~%S IH P/Jirnlh[l(S AA( Ill ((~IL~mR;, rnc~r ~ 11 (J.4m)
S•Ot 3 I! (O~m}
EIAC~ J H (0.!111)
1'ABLE-l
!tlll1Ce: Ho.crrm
S•ZE· CQl!0\111$
.;ao:o.1 9-4·c
AV-150 AIR VENT
ANO VACUUM RELIEF VALVE
USES:
Waterman Model AV-150 Air Ven ls are designed for evacuallon or air when nlllng a pip a liM and provide posill•1a vacuum iellefwhen pipe Is draining.
Use on gravity or higher pressure systems.
FEATURES'
The Model AV-150 uses a semi-hard, precision ground, Inert solid pl as Uc noel ball. The noatseats a:gainsl a precision ·o-ring" providing a tight seal at very low pressures where olher vents often leak. They have excellent sealing charac\$riSUCS and operate !rouble·free at pressures up lo 150 psi on the 1 W' and 2" units and 10!1 psi on the 3" and 4" units.
The aerodynamic "air-now" design of a high slrengtl> alloy elumlnurn body and full baffle assures maximum venl capacity wlthoul premature closing. Material sslectlon prevents "slicking" In lhe closed posmon.
Vnlls era furnisf1ed v,flh standard female pipe lC.-eads which shO\Jld be PfOlecled wilh "Never·Selze" equlvelanl when installed.
VENT CAPACITY= INLET SIZE
VACUUM RELIEF CAPACITY= CLEAR OPENING SIZE
1'h"INLET =1\fo"dla.clo~ropening
2' INLET "H>" die. clear openlng
3' INLET "2%'' dla. c•ear opening
4" INLET ~ 3W' dla. clear openlrlg
117/~--~JJ)) '1
"oiL~-r-i-rT r· ;~ ~ ~~ ~ -ffi~--~
F•E:E: Ol5Cl"~GO - :F"M
-------If-
\.\,)\'~!!§,
GRD 5.2±
MATCH EX
---
----
GRADING
l ... l
GRAPHIC SCALE
~---20 0
lli!Iffi
20 40
1. CONTRACTOR SHALL PROTECT All EXISTING UTILITIES
TO REMAIN.
2. ALL GRADING WORK SHALL BE PERFORMED IN
ACCORDANCE WlTH THE PROJECT SPECIFICATIONS AND
THE REQUIREMENTS AND RECOMMENOAllONS CONTAINED
IN THE SOILS REPORT PREPARED BY TREADWELL &
ROLLO TITLED "GEOTECHNICAL AND ENVIRONMENTAL
INVESTIGATION, TRUNKLINE BACKBONE !MPROVEMENTS,
FLEET INDUSTRIAL SUPPLY CENTER (FISC), ALM.1:0DA.
CA" DATED SEPTEMBER 4, 2004.
3. EXISTING FENCE ALONG COAST GUARD HOUSING
SHALL REMAIN AND BE PROTECTED FROM DAMAGE.
4. REPLACE EX!STlNG DROP INLET GRATE WITH TRAFFIC
RATED GRATE. CONTRACTOR TO VERIFY SIZE OF GRATE.
5. CONTRACTOR TO REFER TO SHEET C2.2 DETAILS 1
AND 3 FOR PUMP VAULTS ELEVATIONS.
6. ELEVA TIO NS ALONG LIMIT OF GRADING SHALL MATCH
EXISTING GRADES.
7. CONIBACTOR TO ADJUST EXISTING STORM INLET
FRAME AND GRATE, SSMH LIDS AND UTILITY VAULT LIDS
TO PROPOSED GRADES WlTHIN LIMIT OF GRADING.
.i.Pf'RcVEO av
=-
-
STP-C1.4
-
~
!!!
~ ::>
<
m
~
I 0
(TYP. OF 2)
UNISTRUT
5'-0' GALV.
SCH. 40 6" ENO
BEL!.S {Tl!') ON
swrrcH s11>t
smrrr
SIDE
NOTES: 1. All UNUSED OPENINGS ANO JOINTS TO BE SEALED AND MADE WATERTIGHT.
2. CONCRETE: f'c"'-4,500 psi ULTIMATE COMPRESSIVE STRENGTH IN 28 DAYS. 3, REINFORCEMENT: /... REBAR: ASTM A706, GRADE 60
SCH. 4-0 5' END
BELlS (TYP)
B. STRENGlH FY ,, 60,000 PS1.
!IQm PROVIDE NON-SKID GALV,o\NIZto
ADJUSTABLE VAULT COYER
WITH COIL BOLTS.
AP&T VAULT DETAIL
PRIMARY VAULT FOLDING DETAIL
,,.
COVERS TO BE ALGRIP
AflD LABELLED 'AP&T
HiGH VOLTAGE" WITH
GAl.VANIZED STEEL FRAl.1E
ADJUSTABLE 10 GRADE.
ALL VAULTS TU HAVE
H-20 RATED COVERS.
~ ~ ~
--1_
l ~~i~~
~ ~~h
NOl[S:
'
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Q
P~CYMOn-ooHcm:rn
PR[""RY/lHCOND<RY aox DtUll.5
fOA SWEWA<~ « Pl>HTtR »PLIC>TIONS
.... ••'"'"'"-"J."""'"""'° 1'~ "'WSC1' ll lit'" 0£""·" & "" /\lAM'OA ,._, '"''"'" '"'""'''"' ~• • lO>O "°"'''"'"'~ POWERgT,..CO/.I ""'~' 1-L-IH >
"""' \. t£~~~'iSt~~L~9\U.l
·-:!. i011iEl.!IS~rlHE!;!JMl;CJI0.'1!i!llLBEWWllml!l'l'll(l.mll.IT!lllll.. ~ »iO:«PIK'H10lliS~OOJ$~CIJmlll!llSEhilt£etaESG010~
{g''~OOl!W:S~{j,i'::~~~\MIECIOOO!!J:!.'Gll
Q ~~~J'liiknOH
111')11~CllOJ:
AL>.l'.IM _..,..,.,,
Pol'IUtUmC<>r.' l~t,-.1.?G Q
MIN REQUIREMENTS FOR UNDERGROUND SERVICE
CD PRIMARY VAULT REAR ELEVATION PRIMARY /SECONDARY BOX DETAILS 3 CABLE CONNECTION FROM ELECTRIC BOX - . fHS
Central Permits Office
Al..,,._oda Powar & Tnecom
ncce~h~< ~l. 2004
Per,.lt 1.ppllcation No ' CBOi-1)11
Addren 1 TAACT 7JB7, A!.1\M~OA. CA
~rojeo~ Oooodptl.on;STOJ"1W1.TER 1REA1MENl' .ONO
Owtrnr• ALMIBDIL R~USE l\NO REDEV~WPl<fm' AUTHORITY
AloF.eda Power~ Tet.coO\ (Alamoaa P&1) hoo reviewed th• above pernlt opplicotlon and hao the following conditl.ono/cOIM\ent"' lrnar~ed XI .,1, Al.,•da P~T oppr<wes t:ha pem1t application With tho eollo~l.nq c=.•nta•
a. Alameda P'T reco~ct.ondo cho"~1ng tho voltage ratlnq of the l-phooo !?WIPO fro:n HOV to~. lRofer to attaohod Cont;oct ll<lcOl'l•nt:a (CPO sumittol-Nove'!lber 15. 2004, Port l.l.S ~ C). b. Mdlt!cnal trenching and ao•ochted subotructure wor~ «Ill Ile required froo'I the new padmount~d ttanofo<iner locHion to o no~ ti•H at the nearest trano0tleeion pole. (!lef~r to ~.nr~-up •hW11 on ohe&t STF-C1.l).
22. To prnvide Rlect<ic s•rvlco to tho proposed devolop~.ent. tha following will be roquhed• c underground pd111ary trunk feoder e><tensioni g underground primary dbtrlbution line e:<t•nBJ.<n'L
~3. Alo,.e~a PU will only pro~lde a """i"""' nrviee oho of l,~00 M~ere• at JOAU12W, three-pbue, 4-wire. Any oorvice lorger than 1, 600 An>pueo will bo •erYed at 4aO Volte. P<lmHY ~-;;,:~;:g 9 ;s i!!!;,. ·~b!Hb~;· 11 ~:=~~!g;J:guQeu rpqu1 r!n<Ll.2.P. 1!14. ;'r,e 0'9n&r/developer's electrical consultant sllall coordinate p<;~u roqUirement; with J\ln9da nr. Failure to do 90· "·•Y dolay project lmplernentation.
'35. 0:,,,er/de~eloper ohaH provide all necoseoE'{ undergrnund oubotructu.rne wl'tich my include the following, D trunk feeder condult• 1 II pd,.ory conduit•1 ·" secondacy conduit•; D voultss II pdll'.ory pull bo><eo; ~ oecond~cy pull bo><oo, D owitch j>ad; s trens~orrner pad, '3 Wlhrds.
Ap9licaolon No.' CB0~-1111
Pag~ 2 ·cf J
96, 11.ll new constructions ohall confo"'1 to 1'lo~oda Power & Teleoo01'0 •Rules nnd R~gulations• and 'Hotedal !!lld
In&UUation cdterla for \lrtdorgrou"'l Syste~•·.
q, To eno'J<e that eU substructure contract •;ork i• done t'U
11.l"'•eda P&T •tanOarM, 11.la~-•da P&T will assign an lnspacto< dudng conot<uctfon.
ooa. hlomeda P&T will furnish end lnH"1l all require<!.• !l awHchles), II <ransformer(s), o uunk cable"' ~ pdnory
cob1"s1 ~ seconduy cobleo.
~9. The owner/d•veloper shall furn!•h ond In.tall the follo•«lng• Code-shM copper service cable• in Code-si•~d conduit frorn ooch co'"'"°"dol/induotdal building to the neHest 1>tllity pull box or e<JUipment. !CMtroctor to supply two-hole
compression connectots to Alo~.eda P&T for conneetion of service cables hrger thon SOO kcrnit copper to tbe tron•tor~e< aocondor:r) •
ElO. ~he owner/devoloper shaU furoish and 1n•tall a Eus~RC compHont oer.vice equip~ent fo< each building. Heter locations shall bo'subJect to 11\o~e<Ctl P•T'o apptO\•al.
<>11, ~_J,j;___gryfrP< pn4 all pther Mt"kes HQO •mneg• or lorg2r •h•ll 1\§Y.2 " s!nql e main dl sconroot Se;v!.ce •<IU>P~-ent shop dnwJ.ng oub"·lttol will be reqUired fo< Alameda P&! approval. A eopy of the Sal'le,droMln9 sholl b~ subtoitt.ed to the Clt.y'$ E•lldtng Sorvice• DOpHt<oe"t for owrmral by the Cornbl.nntlon rnopector.
~12. ~he owna"'/developer •h•ll provide, at; no cho<g<> to Alom~d• P~T, •~S~o\ont• and aoc••• to oH electrical utility focil!Ueo tbet are in the pr~vAto propo<ty. 1't o Minhn•"'· a duft easement •hall be ouOOltted belorn any ~ernce could be
enerqhed.
Dll. Alw.eda P&'l' •,iill takeover o•,,nershio ond v;J.ll be <eoponoib)a for maintaining the new undorgriiuna t<unk, 1>do1ory end oecondacy distdbution oystoms, including pod-mounted s'11tcll~• ond transfomera. The custor:ier.s will be responsible for their resfectlve oervice conduit•, service cobles, and sorvico equipment.
~14. Alao'loda P&T will Chorg• tha owner/developer for tl'to actual coot of oll expenses ossocioted with tho utility duct 5ysteo'I engineuing dooiqn, plan revlo\I, and oanstruceion inopeotlon. 1'n ""tlmote of tltJ, co•t fot this prnject is >...J.'.rn21-· 'l'o 1nttiate o ~·otk or de<, Alarn•do P&T will tequlro • chock or a purchase o"cler frorn the develapet/cuotOr1er.
NTS
PERMIT CONDITIONS BY ALAMEDA POWER & TELECOM
NTS
AppHoation 110. · CBDt-1111
Page J of 3
DH. Peve\ooer•s contractor •hUl obtain on elocniool p•=" from the clty'B Building Sorvi<•• ri.portrnent. fl5c<rical
lnol:allatJ.on must he approv•d Jry the City's <:o~.blitatlo<> In•D•c.tor before any o•rvke could h energiud.
916. The o·~Mr/dsveloper or h\s/hor electdcal consultonl: shall ~~~"~=~~.~·~1~~t:t~ ~~l\f ~~· f~~i rr fi::~a drawing• s)lO~lng H you l'tove ony cruutlons, pleaM call~• at (Sl0)-HB-J9BB or Juan Ulloa at (510)-HB-l9n
c. Banahan
J. Ulloa
J\ SJ.n9h
MIRAFl 600X
OR EQV.
CD
NTS
ACCESS PATH
NTS
i"/~~~\ .. :r...--·'
___..--4;\ ~
GEOWEB GW20V MODEL SY PRESTO
WITH 3" TO 6" MINUS GRAVEL
3" TO 6p MINUS GRAVEL
SCARIFY & COMPACT
6" OF EX EARTH
TO 957..
.oJ>f'l\CVl:OQY
art-
-·
-STP-Cl.3
""
8 ~
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~
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iil !ll
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ii 81
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I ' I ' I \
I \
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I r- - ----1/I
----1;.; :;:--~~-~:-_ -~:-.::-_-:--\ ,J
MAN POND
'&!\ \\\.~-) ":.'lIL Q\•,\1·. C-~\-,~_,'l,.\{.
"\ ~ c_,\ ,\\_
FOREBAY
3-4" CO DUITS TO RISER
ON NEAR ST TRANSMISSION
LINE PO
METE PEDESTA
AND AIN BREAKER
SEE OTE 5
iq) (f) tQ<0'''"C ~o\C ·w
~\\~'17.,\t\ \ 1,·~l~ \',;\[.-,,"\ r~_,lr v, __ \r rw(
l I
GRAPHIC SCALE
r----20 0 20
LEGEND
IZI
JET NOZZLE DIRECTION
UNDERWATER JET
SEE DETAIL 1/C2.3
(R) = RETURN LINE
(S) = SUCTION LINE
(B) = BACKWASH LINE
ELECTRICAL PRIMARY BOX
4B" X 30" X 36" DEEP
SEE DETAIL 1&2/C1.3
ELECTRICAL SECONDARY BOX
48" X 30" X 36" DEEP
SEE DETAIL 2&3/C1.3
ELECTRICAL PULL BOX CHRISTY
1324 Box IMTH B1324-61JH LID
{H20 RATED) OR APPROVED EQUAL
TRANSfORMER PAO 10B" X 90"
SEE DETAIL 2/Cl.2
MET£R PEDESTAL
ELECTRICAL CONOUlT
1. 4' PVC SHALL CROSS OVER EX. SDFM AT
INVERT SHOWN ON PLAN.
2. SEE DETAIL 1/C2.3 FOR UNDERWATER JET
3. ALL UNDERGROUND PIPING ANO CONDUIT
TO BE OOTSIOE OF THE HIGH WATER
ELEVATION OF THE POND EXCEPT FOR
THE JET PIPING.
4. ADD AIR RELEASE VALVE AS DESCRIBED
ON DETAIL 3/Cl.2.
5. CONTRACTOR SHALL PROVlDE 'l.iRING,
METER PEDESTAL, ANO BREAKER
StlBMITTALS TO BE APPROVED BY
ELECTRICAL ENGINEER.
6. CONTRACTOR SHALL REFER TO ADDITIONAL
REQUIREMENTS SET BY ALAMEDA POWER &
TElECOM AS REFERENCED ON DETAIL 4/Cl.J
!
~
~
t
~
~~
~ >
~'
is
~15
EX GR
El 1~u~~ X
-'·
6" =
" ' "
EX GR·
El
JUND X
- 2.9 2'
10'-6"
16" INTAKE VENT INSIDE VAULT EXPAND
TO 10" OUTSIDE VAULT
'
' '
w "
,__
ACCESS HATCH---
~·
36" x 42"
H20 LOAD RA TED
(PROVIDE CLEAR
10"01~~ SPACE BELOW) BLOWER
I EXHAUST ~
,, ..
\ TOP OF VAULT
EL 5.4
x
x
X GROUND
L 3.0
EX GROUND
EL 3.5
.:m==-··m='2 ln~\.:1rr~~~tn~t1r:".-l-i1r::·~n1~1n~n':='-111 1 -~~::'...:nr:--::1n:::::r1f:v
ACCESS PAnl
~
1. INSTALL PRE-CAST CONCRETE VAULT MODEL eio-Ms-csc OR APPROVED EQUAL BY OLDCASTLE PRECAST AT LOCATION SHOWN ON DRAWING C1.1 PUl.P VAULT TOP VIEW
SCALE: 1 "=2'
r-~---.
I .0 1----SEE DETAIL A j I THIS SHEET
I I
·- -- -- - - - -- -I;; - ~ --
·cEX GROUNb 101• PVC BLOWER
EL 4.2 EXHAUST PIPE
3 \ W_ALL
.c2.3) PENETRATION
~
~~ lf<•o/.J r,'.'1l:i MW ;')o.14 ;'ij,'>.J i1?:>!l \,'<\P. MO ~
Fl 3 WALL
~~ C2.J PENETRATION
SEE DIAGRAMATIC ( e
DISCHARGE
PLlM31NG
\.";;'<i) !fr'<Si fe.-J''~ (?Jif~ ><:"£-! f!.(,O,\ -:;r::: ;1:-1;! 1-~;:; >;.:;~ 6" BUTTERFLY VALVE
GFCI RECEPTACLE
1 a" ABOVE FLOOR
CHRISTY 81324
W/SUMP PUMP
13• x 24" x ta" ~ 8" BUTTERFLY-~--"'
~ VALVE ?;~c.J-M--o!Llt-TTIT--'::::====:;-i
"'6" AIR JNTAKE PIPE FILTRATION
~~ MANIFOLD
~ 8"X6" CONCENTRIC _6"
l.c REDUCER
il MAIN POND PUMP---1--1--( (
11 6"
~ 6" PVC (R)-"-4-4-1
FORE8AY
PUMP
4" PVC (R)
,,~--\
', /
'-[~ANWAY
"'''1 J><:c,i~
...
~i
~IJ,
i'i'
/f1
r~
\~
:;.;
!:' i·r
'SPAQ[t-IG
)-.
r;,j
TOP OF HATCH
EL 5.4
GROUND GROUND
~L3.s
'¥~t1f::'·-·-
VAULT RISER--i
EXTENSION
18'
SEE DETAIL "A"
nos SHEET :\
GROUND r--
EL3.2 I _,_ _ I I GROUND - I I EL J.o~- EX GROUND GROUND 10" PVC AIR I - - . u JEL2.8 INTAKE PIPE 1 I 'f~ -- _/ -· . "-' UI" L.Cl~H•CC:l '1
TRANSITION W/ r--------------, 10"X6"REDOCER
_L'---~~~ 6" PVC AIR
INTAKE PIPE
W-l.--l-uN1STRUT (TYP) ,f'oHT
WALL ~
PENETRATION Ci.J
4" - 1 1 - AIR VENT I
CAP I
I
1/2" DIA. I
HOLES I
® 4" o.c. ·I
BOTH WAYSI
~ LIGHT SWITCH
0 \: 1----t- PROVIDE
CLEAR SPACE
FOR MANWAY
' LADDER-t-t--i
<D L UGHT SWITCH
RECEPTACLE FLUSH
FLUSH WllH HATCH I
I
I l~
l;~->!" ~-,g~ O<';H 1;!.';.'i:l i:l.:l'.:l tllf~l 1-fi'll• rJ.b11 ,,,,{,1 gw i1·1,~ ,.,,~J w:' 1 ·~l'i ~'l''il~,l LADDER ATTACHED -H--f
TO WALL '
:W-J ,'f.1'·:; :fl.~';, ;,;;>.:·.' l~'i'l
~ .
12" MIN I
FILTER TANK
N
CLEAR !/DOOR
I f SWING
~
PANEL
36" Ix 30" x. , ..
PANEL
GFCI RECEPTACLE
18" ABOVE FLOOR
4''
SPACING
PROVIDE CLEAR
SPACE FOR
CONTROL PANEL
,··,uirr--11.1;·;~11_1;-.,}tr:;:,:;:I · i;i) 1.ri1-;i !~').1J 1 . .,L1_l-,;;1_!J.n:1.1.1,·1-, ;' u-.:,) 1_ 1,-,): 1.,-r,11 t, . .);_;; ,• ·
ACCESS PATH
PLAN VIEW DIRECTLY ABOVE PUMPS
W/DIAGRAMATIC SUCTION PLUMBING
L
SEE DETAIL B
ON THIS SHEET
r -•
SCALE: 1 ",,_2'
EL -3.5
DETAIL B
SCALE: NTS
r----------------, I 4-1/2" 1-1/2" • I
I ~ t--"-" N I
I I
:SUCTION ~ :
I ~Jt~E (TY!') FIBER I
I ~ATE I
I I
~----------------~
6" PVC (R) d EL -2.0
6"x4"
REDUCER
8"x6"
CONCENTRIC
REDUCER
MAIN PONO
PUMP
FA STEN PUMP TO
FLOOR OF VAULT
WITH STAINLESS
STEEL BOLTS
\,
ELEVATION DETAIL 3
SCALE: 1 "=2'
MAIN POND FOREBAY
$
EL -5.5
EL -6.5
WALL
I
I
I JJ' <I i L2" FIBER GRATE
3 a WALL
.c2.J PENETRATION
"/ OUTlET· ._, FLUSH
~ WITH
SUMP
El -4.0
'" __ ,,
0 I d--'ly -- I
·I \__ I '<!- EX I
L-----------Jl'3f~J
DETAIL A
::;t.;ALI:.: NTS
PLACE LIGHT
IN CENTER
OF ROOM
I.--.. H-+-BLO\!£R CAST IN PLACE
CONCRETE
~f ~ M"MCVCV ~ 11 3\ WALL
.c2.J) PENETRATION
INV -2.0
3\ WALL
.c2.J/ PENETRATION
INV -3.8 -. -4'· PVC /Bl
!NV -5.5
3\WALL
c2.J)PENETRA TION
~;
FILTER
FOREBA Y PUMP
PRECAST CONCRElE < ,
SIJMP PIT <DI
CHRISTY 812.34
i~ El-8.5
ELEVATION DETAIL 4
SCALE: 1",,,2'
6"
6" MIN---
~
EL -7.D
~!~
46" x 46" 1.0.
. ;. ;
=
8" PVC (S)
BEYOND
INV -6.5 I 6" PVC (s)
--r----- , I i-.. ) J
6"1
1. SEE SPECIFICATIONS FOR CIP CONCRETE.
2. STEEL REINFORCEMENT SHALL 8E:#4 REBAR, O.C. BOTI--1 WAYS CENTERED IN WALLS AND FLOOR SLAB. USE 3500 PSI CONCRETE, 5 SACK MIX WITH J/4" MAX AGGREGATE.
SUCTION INTAKE
SCALE: 1 "=1 '
" 34" ~:f • ~c::a: ~~t~R
•·xs· I I I •
CONCENTRIC FILTER
REDUCER
l!lfilS;_
PUMP
DISCHARGE
FOREBAY
PUMP
!. REFER TO DETAIL 2 OF THIS SHEET FOR DIAGRAMATIC SUCTION PLUMBING INFORMATION.
2:. ALL LABELED PIPES SHALL BE PVC •
DIAGRAMTIC DISCHARGE PLUMBING
SCALE: NTS
EO\JIPMFNT I IST:
G) 6" BUTTERFLY VALVE
® 6" CHECK VALVE.
@ 4" BUTTERFLY VALVE
© 4" CHECK VALVE.
® 2• CHECK VALVE
FOi llPMFNI ! EGE NO·
(R) RETURN LINE
(B) BACKWASH LINE
~
~
!
~~I - w
0 • Sl.8·CONSIA..TANT • MOfE ... oNAL sill , •• --" CONSULTANT , Dl:VaOPER I OWl'&I I J j j _J CITY ';?~MEDA C!fY ............. _._ _o_ BY m '~i •o
~
~
~
4780 CHABOT DR.
·rBkF sum:'" liilil 1 PLEASANTOW, CA
- 94588-3323
eio1~'!.Ell"Q.IR11EYO~~N£R• TEL: 925/396- 7700
FAX: 925/396- 7799
~
CATELI.lJS
ENGl>IEERNCJ DEPARTMENT z
J FISC/EAST HOUSING AREA BACKBONE INFRASTRUCTURE IMPROVEMENTS cm~ O I I l FOR CATELLUS PHASE 2 RESIDENTIAL PROJECT OATG i::
' I STP-BBI STORMWATER TREATMENT POND IMPROVEMENT PLANS g - STP-C2.2 J!: BY I ~r. ~
~··
OESfGr-E) JHT /OGS I ORAWl'l JHT I CIECKEI DGS ... IC>.8£ ~ - 0 ----•--- u
AERATION PLAN DETAILS
-- OATi 11/15/04 BCOU! AS SHO'I/.~ I l'l'o.KTNO. 200!0182-24 'le,·.;"\.
\J\'.~~;~1,
L
--i---,<~.-~] I ,___..--------~,fr_r
·----jXf--0---iW----
!
! c
:!
•• T'
~'.
g~
"~
CLASS II
DRAIN ROCK
6n SLEEVE
ELEV 1.2'
4'' SLEEVE
t" PVC
RISER
5.0' BENCH
RETURN LINE FROM SUMP
SEE PLAN FOR PIPE SIZE
1"...Pvc RISER
' 4" 'St-.i::EVE
'
ISER._E WA1£R SURFACE LEVEL
El 0.5
)i1
WATER SURFACE LEVEL
EL0.5 \?'II
EX WEIR (6'X6')
PER SOO-BBI
CONTRACT
3 \WALL
EX WEIR PER
soo-881 CONlRACT
'Yi'\~ fuJ. "' 0 .c;° INSTALL LINK SEAL
\U ot\r t:.t1c..11neers
~
lf0" ' SCH. 80 P!PE -~ _, r:-1 INV -2.0 - 1i>ENETRATION I - '\Ir!
r
TFl
DUCK BILL
CHECK VALVE
SEE DETAIL A
.... i \\l~\\\. ()U\tl.~r:A .. 1if\@..So1J:O:..'I\ 'l'f \}...\h'( , . PER SPECIFlCATION~
5"
' ' Ji' 1-1/4" McDANIEL TEE"'-....,
SECTION VIEW
SCALE: I' "' 20'
CORE DRl_LL 3/4" DIAM -----~
HOLES AT 3" ON CENTER
WITH 3'' EDGE CLEARANCE
F'OR VENTILATION
CHRISTY b9D LID
SCALE: 1" = 1'
FOREBAY
12" CLASS U
DRAIN ROCK
BELOW McDANIEL
TEE
15'
5'
MIRAFI 500 X OR EQUAL
GE01£XTILE FABRIC
UNDERWATER JET
SCALE: 1" = 20'
5'
BENQ-1
' ' ' '
MAIN POND
"";I rl
lO' ¥~ ~1d1~1 ci
-----------
EXIST
GROUND
BASIN
BOT EL -4.0 I ,::::::J 1
3 wiru...
QI 1:!11
3 r& 11"
1. THE POND LAYOUT AND GRADES SHOl'M ARE EXISTING
PRIOR TO START OF THIS PROJECT.
2. SEE SHEET C2.2 FOR PIPE INVERT ELEVATIONS.
1 G BASIN
J ~ BOT £L -4.0
UTILITY lRENCH ( 5
DETAIL
®
SECTION VIEW
EX 10' ACCESS ROAD
PER 2S-B81 PLANS
NTS
FISH POOL
3:1 SLOPE
BOT El -5.5
' ' ' ' '
"' ~ ·'ki,W.\\ \~•v ~''" ,,;,,, ~~,,. \' -i ~.~tJ
·;r/-1Jr-/o\1\11 .\{w.( ~i\\u- \IP.Gt,\ru~iHJ
UTILITY "TRENCH fi
DETAIL
2.5" PVC PIPE
:, :· I EL -2.0
ltlVERT
®
PIPE COVER
NTS
El -4.0
12" CLAY CAP
REMOVE & REPLACE
CAP FOR INSTALLATION
OF DISCHARGE P\PE
l;I
l ---...;_·
1 •. 1·
I 1wr'2~
-·) ~ EL -:J_,Q.
i:,[ ;___!lLl - UNISTRUT ___L··--··_f:L -4 o
--------------- EX FOU~OA~~N SL PER SDO-BBI CONT~ACT
4" PVC
BACKWASH
DRAIN LINE
4" INV -6.5
BACKWASH LINE
SCALE: 1 ",,,2'
TF-1
i 1-" -I
••r1:1~I<'.b - -'"
DETAIL 'A'
SCALE: N.T.S.
A"'4 INCH (PIPE O.D.)
C=>1.5 INCH (CUFF LENGTH)
H=8 INCH (Bill HEIGHT)
L=10 INCH (LENGTH)
!1Qlli
NUMBERS INDICATE MAXIMUM DIMENSIONS.
PVC PIPE
I
1" (TYP;:r
~
~
PVC PIPE
(CORE DRILL HOLE THROUGH
VAULT WALL ACCORDING
TO SPECIF!CA TIONS.
WALL PENETRATION
SCALE: 1 ",,,1 '
CONFORM TO FIN I SHED GRADE EXSIT./FINISHED GROUND
"' w
s·
z
~
• N
~
SEE NOTE 2 _ 15 .. 1
IMIN:
REPLACE CLAY CAP
(TYPE TO BE DETERMINED
BY GEOTECHNlCAL ENGINEER)
95% RELATIVE
COMPACTION
BSEQUENT BACKFILL
lli
NATIVE MATERIAL
g
~lg
w w
SANO OR CLASS 11 CRUSH ROCK
95% RELATIVE COMPACTION
INITIAL BACKFILL
l. TH1S DETAIL APPL1ES TO TRENCH AREAS WITHIN
BOTTOM OF BASIN TO THE TOE OF BENCH
2: 3" MIN SEPERATION BETWEEN PIPES
J. 'SQ~£-~ - ~·.~c., C.011~(
UTILITY TRENCH W/ BAY MUD CAP
NTS
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~ 81
SEE NOTE 2 -l,·I IN
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REMOVE, SALVAGE AND
REINSTALL AMENDED SOIL
NATIVE MATERIAL
95% RELATIVE
COMPACTION
SUBSEQUENT BACKFILL
SAND OR CLASS I I CRUSH ROCK
95% RELATIVE COMPACTION
INITIAL BACKFILL
1. THIS DETAIL APPLIES TO TRENCH AREAS WITHIN
THE BENCH TO THE TOP or BANK OF PONO
2. 3" MIN SEPERATION BETWEEN PIPES
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f5\.. UTILITY TRENCH W/OUT BAY MUD CAP
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8. . 4780 CHABOT DR. + --,v FISC/EAST HOUSING AREA BACKBONE INFRASTRUCTURE IMPROVEMENTS " 0 ···~ k F SUllE 104 FOR CATELLUS PHASE 2 RESIDENTIAL PROJECT ~.. !ii ''"its~~<JN;,g ~ ... • I STP-BBI STORMWATER TREATMENT P.OND IMPROVEMENT PLANS 0 ~ ~""m~~•-~"'"'1EL' 925/3'S-7'00 CATE LIT JS ~<> FAX:925/396-7799 . I\ ·~g
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STP-C2,3 ~ ... ''" ti u
-·· DRA.Wt< MM CHSC!<E> OGS
AS SHOWN I POD.E:r NO. 200101112-24 11 /1!l/n4
av I #'P.
• ._..... wsv AERATION PLAN DETAILS
~
PLANTING SCHEDULE
SYMBOL SCIENTIFIC NAME COMMON NAME SIZE QUANTITY
6i::._. f'h~& ~ ... ,}£l'.J'.'-I' {iJ.11..,;- '?.\!\\ (\1-:J"' "fl'\ -EL.£'-MAe-- EtEeeHAAls-MAeResfAetff eftffPJN(l---Sl"!Kffitl 'fRE:fBMlfi ·!l-1'9 0 JUN BAL JUNCUS BALTICUS BALTIC RUSH TREEBAND 469
~
JUN MEX JUNCUS MEXICANUS MEXICAN RUSH TREE BAND 181
~ LEY TRI LEYMUS TRITICOIOES CREEPING WILD RYE TREEBAND 555 MUH RIG MUHLENBERGIA RIGENS DEERGRASS TREEBAND 256
PLANTING NOTES
I. SOIL AMENDMENT APPLICATION AND HYDROSEEDING SHALL OCCUR PRIOR TO PLANT INSTALLATION PER THE 2S-BBI PROJECT.
2. ALL WORK SHALL BE PERFORMED BY PERSONS FAMILIAR WITH PLANTING
WORK AND UNDER THE SUPERVISION OF A QUALIFIED PLANTING
FOREPERSON.
3. PLANT MATERIAL LOCATIONS SHOWN ARE DIAGRAMMATIC AND MAY BE SUBJECT TO CHANGE IN THE FIELD BY THE PROJECT BIOLOGIST.
4. PLANT LOCATIONS ARE TO BE ADJUSTED IN THE FIELD As NECESSARY TO SCREEN UTILITIES BUT NOT TO BLOCK NOR IMPEDE ACCESS.
5. SEE SHEETS STP-L 1.1 AND STP-L 1.2 FOR PLANTING DETAILS.
6. SEE SHEET STP-Ci .1 FOR EXPANDED TREATMENT POND AREA. LANDSCAPING TO EXTEND AND CONFORM TO EXPANDED POND AREA.
SECTION
NTS
SMALL CONTAINER PlANT TO BE
CENTERED IN PIT WITH
ROOTCROWN 1/4" ABOVE GRADE.
BACKFILL WITH AMENDED SITE SOIL
AND HANDTAMP INTO PLACE.
PLANTING PIT
FINISH GRADE
APPROX.
SPACING
3 FT.
3 FT.
3 FT.
3 FT,
3 FT.
-<D CONTAINER STOCK PLANTING
SUB-CONSULTANT
II. I'. HAJ?YEY & ASSOCIAT.liS
ECOJ,OGiCllL CONSWTANJS
J150 .llmodon &!iOO•"l'· &ullo 1~
s." Jo;,;, CAl!il51H I' '4GB-«8-V
F ol!lB-WI-~
CONSULTANT DEVELOPER OWNER
4780 CHABOT DR.
-~Bk F SUl1E 104 !Mia "1 PLEASANTON, CA
- 94566-3323
ENGIN~R~NERS TEL: 925/396-1/QQ
FAX: 925/396- 7799
-JJlr
CATELLUS
WCTLAND BENCH
~ PENINSUlA
~1-··----
GRAPHIC SCALE
I'""---40 0 40 80
STORMWATER TREATMENT POND
60 JUN BAL
20 JUN MEX
40 LEY TRI
20 MUH RIG
::- ALAMEDA CIW ENGltUR "''"
""LIFORNIA
ENGINEERING DEPARTMENT
FISC/EAST HOUSING AREA BACKBONE INFRASTRUCTURE IMPROVEMENTS FOR CATELLUS PHASE 2 RESIDENTIAL PROJECT
1---1---------------l--t--lsTP-BBI STORMWATER TREATMENT POND IMPROVEMENT PLANS ots1c1.co JMH, MB DRA~N lM, KV
BY M>P.
CHECKEtl JMH, OS PHASE 1 PLANTING PLAN, NOTES & DETAIL
11 15 04 SC>e( VARIES PROJECT NO. 20010\82-24
CITY £NGINEER
<HEE! STP-Ll.1
-
i
I
BACK OF BENCH
JUNCUS BALTICUS/
JUNCUS MEXICANUS
SECTION
NTS
Pl.ANT TO BACK O;F:-J--"---l.-lL-,--.,_(~j
BENCH OR ACROSS I I
PENINSULA · 1' r
LEYMUS TRITICOIDES/ ;
MUHLENBERGIA RIGENS
-f'tEeeHARJS--
-MAGRe&IAGH~A
SC.:H~-~h QJ.'i\Jl!.~'..l
-@TYPICAL PLANTING
PLAN
NTS
x
EDGE OF PLANTING AREA
AVERAGE WATER LEVEL
NOTE:
'X' IS WETLAND PLANT SPACING
As PER PLANTING PlAN.
WETLAND PLANT TYPICAL SPACING
FRONT OF BENCH
AVERAGE WATER LEVEL
bench cross section
wetland plant spoclng
SUB-CONSUL TANT PRO!'ESS•OHIJ. SE~L CONSULTANT DEVELOPE'.R H. l'. HAilPfiY & ASSOCIATES 4780 CHABOT OR.
+.
ECOLOGICAL CONSVLTAN'l'S ~akr SUITE 104 L~ PLEASANTON, CA ~~~J~~'~tlij'/'fr••O)'. MO 1-411 94588-3323
CATELLUS ~ :z::u:::m n!GINE£il,QJRWYO~NNEFIS TEL: 925/395- 7700 FAX: 925/396-7799
'Sci.{'£~) ~G\'Jv\.\10
El::EeeHAA-1&-MAeROSfr\GI !YA
\U Dl\r C.11 lllt:t:I :'.>
PLANT IN CONTINUOUS ROW AT EDGE OF WATER
EDGE OF PLANTING
AVERAGE WATER LEVEL
FRONT EDGE OF BENCH
PLAN
NTS
SCHEMATIC PLANTING PLAN
JUNCUS BALTICUS
PLANT IN GROUPINGS OF 16 TO 20
LEYMUS TRITICOIDES
PLANT IN GROUPINGS OF 18 TO 24
MUHLENBERGIA RIGENS
PLANT IN GROUPINGS OF 12 TO 16
JUNCUS MEXICANUS
PLANT IN GROUPINGS OF 8 TO 1 0
FOR PENINSULA
penin•ulo plonHng "cheme
LEYMUS TRITICOIOES
PLANT IN GROUPINGS OF 18 TO 24
JUNCUS BALTICUS
PLANT IN GROUPINGS OF 16 TO 20
MUHLENBERGIA RIGENS ___ ,
PLANT IN GROUPINGS OF 12 TO 16
{it:J .. <£~':i \o'n~Wl.:i
ELEOGI IARIS MAGROSTABH¥A
PLANT IN CONTINUOUS ROW AT EDGE OF WATER
JUNCUS MEXICANUS
GROUPINGS OF 8 TO 10
PLAN
NTS
OWNER
SCHEMATIC PLANTING PLAN
FOR BENCH
CITY OF ALAMEDA CITY """"lt:ER SE•l
CALIFORNIA
ENGINE'.ERING DEPARTMENT
FISC/EAST HOUSING AREA BACKBONE INFRASTRUCTURE IMPROVEMENTS FOR CATELLUS PHASE 2 RESIDENTIAL PROJECT
1-+------------i---+--isTP-BBI STORMWATER TREATMENT POND IMPROVEMENT PLANS OESIONED JMH, MB ORA~N IM, KV a«c~rn JMH, OS PHASE 1 PLANTING DETAILS 11/15 04 SCAlE NTS •ROJECT NO. 200101S2-24
bench planting scheme
CITY ENGINEER
SHEuSTP-11.2
""
APPENDIX B
COMMON INVASIVE SPECIES
BAYPORT STP INSPECTION AND MAINTENANCE PLAN
B-1 | Page
COMMON INVASIVE PLANT SPECIES
The invasive species summarized below have been confirmed on-site or have a moderate to high likelihood of occurring at Bayport STP. For each species, identification tips and photos are shown, as well as preferable timing and methods for controlling the species. This information is provided to assist City personnel i n identifying if invasive species exist and may need to be removed so this can be relayed to the City’ s landscaping contractor. Any invasive species management actions must be consistent and in full compliance with the City’s Integrated Pest Management (IPM) policy. Use of chemical controls can only proceed if they are in accordance with the IPM policy.
BAYPORT STP INSPECTION AND MAINTENANCE PLAN
B-2 | Page
Fennel (Foeniculum vulgare) – Confirmed on site
Identification: Tall robust with highly dissected fern-like leaves. Easily identified due to strong anise (licorice) scent of foliage. Flowers appear from May to September.
Growth and Spread: Reproduces from both root crowns and seeds Control: Manual removal can be effective and care should be taken to remove as much of the taproot as possible to prevent re-sprouting. Slashing the plant at the base just before flowering has been shown to be effective and may kill plants. Even if plant recovers, slashing just before flowering will prevent seed set. Cut or dug plants should be removed from the site to prevent seed from becoming viable while plant decomposes.
Triclopyr and Glyphosate have been shown to be effective chemical controls. Follow up treatments at least once a year following the initial treatment are critical as seedbank is long lived and plant can sprout at any time of year.
BAYPORT STP INSPECTION AND MAINTENANCE PLAN
B-3 | Page
Bristly Ox Tongue (Helminthotheca echioides) - Confirmed on site Identification: Annual plant that can grow to roughly 3 feet tall. Milky sap and stiff, bristly foliage with yellow dandelion like flower heads. Plants overwinter as rosettes before bolting in late spring.
Growth and Spread: Seed is spread on the wind.
Control: Manual removal can be accomplished with hand-pulling, mowing/string trimming. Manual control is most effective when roots are removed at least two inches below the surface. Annual follow up treatments should be carried out to exhaust seed bank.
Seedling Leaves
BAYPORT STP INSPECTION AND MAINTENANCE PLAN
B-4 | Page
Yellow Starthistle (Centaurea solstitialis)
Identification: Yellow flower with spiny seed-heads appear in April and last through September. Gray-green foliage
Growth and Spread: Spreads rapidly through wind-blown seeds. Priority should be given to removal of flowering plants before flowers go to seed in mid-late summer.
Focus removal efforts to May and June when plants are germinated and bolting, but flowers are not yet viable.
Control: Manual removal can be effective and must include the entire plant as well as a majority of the taproot to prevent re-sprouting. Individual plants should be removed from site immediately as flowers are capable of maturing and spreading seed even after being picked.
Seedling
BAYPORT STP INSPECTION AND MAINTENANCE PLAN
B-5 | Page
Pampas Grass (Cortaderia selloana, C. jubata)
Identification: Plants up to 6 feet tall with bunched mass of thin serrated leaves. Flowers appear in winter as feathery collections of white flowers on stout stalks.
Growth and Spread: Spreads from windblown seed
Control: Manual removal of individuals is most effective. Removal should include entire crown and top-section of roots to prevent resprouting. Extra care should be given when removing and transporting flowers as each plume can produce 100,000 seeds that are easily distributed with wind.
Recommend bagging any flower material after removal to prevent seed spread while transporting off site.
(© 2005 Margo Bors)
BAYPORT STP INSPECTION AND MAINTENANCE PLAN
B-6 | Page
Perennial Pepperweed (Lepidium latifolium)
Identification: Large plant up to 6 feet tall with smooth green-grayish leaves. Tiny white flowers occur in dense aggregations from May to July. Large, fleshy taproots have strong scent of horseradish.
Growth and Spread: Sprouts from rhizomatous roots
Control: Do not pull, dig, or cut the roots as this may stimulate new growth.
Chemical control is needed.
Seedling (© Joseph M. DiTomaso) Basal rosette
Flowers close up (© Joseph M. DiTomaso)