BOYD RD
MONUMENT BLVD CONTRA COSTA BLVD
8'
11'
11'
11' 11' 11' 11'
11'
11'
Contra Costa Blvd
between Monument Blvd & Boyd Rd
Figure 1
CONCEPTUAL - NOT FOR CONSTRUCTION. ADDITIONAL
DETAILED ANALYSIS AND ENGINEERING DESIGN REQUIRED.
CONTRA COSTA BLVD
CONCEPT PLAN
1:80
LEGEND
CURB LINE
SHARED USE PATH
CURB EXTENSION
BICYCLE CONFLICT
ZONE MARKING
PROPOSED RED CURB
EXISTING CURB TO REMOVE PROPOSED CURB RAMP
SEPARATED BIKE LANE PROPOSED BIKE RAMP
PROPOSED
RECTANGULAR RAPID
FLASHING BEACON (RRFB)
PROPOSED RAILING
PROPOSED
RETRACTABLE BOLLARD
BUS STOP
B
B
MODIFY SIGNAL TO SEPARATE
NORTHBOUND RIGHT TURNS
FROM PEDESTRIANS AND
CYCLISTS IN EAST AND SOUTH
CROSSWALKS.
MODIFY SIGNAL TO SEPARATE
SOUTHBOUND RIGHT TURNS FROM
PEDESTRIANS AND CYCLISTS IN
WEST AND NORTH CROSSWALKS.
PROHIBIT EASTBOUND RIGHT
TURN ON RED.
PROPOSED SHARED-USE
PATH ON MONUMENT
BOULEVARD.
MAINTAIN EXISTING
BUS STOP LOCATION.
INSTALL MARKED
CROSSWALK.
WIDEN SIDEWALK.
WIDEN SIDEWALK.
REDESIGN DRIVEWAY TO
PROVIDE RAISED SEPARATED
BIKE LANE AND CROSSWALK.
W HOOKSTON RD CONTRA COSTA BLVD
EBMUD TRAIL
EXISTING EBMUD TRAIL
11' 11' 11'
10' 11' 11'
12'
Contra Costa Blvd
between Boyd Rd & W Hookston Rd
Figure 2
1:80
CONCEPTUAL - NOT FOR CONSTRUCTION. ADDITIONAL
DETAILED ANALYSIS AND ENGINEERING DESIGN REQUIRED.
CONTRA COSTA BLVD
CONCEPT PLAN
LEGEND
CURB LINE
SHARED USE PATH
CURB EXTENSION
BICYCLE CONFLICT
ZONE MARKING
PROPOSED RED CURB
EXISTING CURB TO REMOVE PROPOSED CURB RAMP
SEPARATED BIKE LANE PROPOSED BIKE RAMP
PROPOSED
RECTANGULAR RAPID
FLASHING BEACON (RRFB)
PROPOSED RAILING
PROPOSED
RETRACTABLE BOLLARD
B
BUS STOP
MAINTAIN EXISTING BUS STOP
LOCATION ON BUS BOARDING
ISLAND WITH RAILINGS AND
MARKED CROSSWALK.
PAINT RED CURB TO
ACCOMMODATE 90' BUS
PULL-IN ZONE.
INSTALL RAISED, HIGH
VISIBILITY CROSSWALK WITH
RECTANGULAR RAPID
FLASHING BEACONS (RRFBS)
FOR PEDESTRIAN CROSSING
SAFETY.
REPLACE EBMUD ACCESS GATE
WITH RETRACTABLE BOLLARD
WITH 8' OPENING ON EITHER
SIDE FOR SHARED-USE PATH
CONNECTION TO TRAIL.
REDESIGN DRIVEWAY TO
PROVIDE RAISED SEPARATED
BIKE LANE AND CROSSWALK.
MAINTAIN EXISTING
PARKING.
B
INSTALL DETECTABLE
WARNING SURFACE AT
ENTRANCE AND EXIT OF
WHERE SHARED USE PATH
MEETS SIDEWALK.
Concept Level Estimate of Construction Costs
Project: Monument Boulevard Shared-Use PathLocation: Contra Costa Boulevard segment between Crescent Plaza and Hookston RoadDate: 11/4/2024Project #: OK24-0559 Item No. Design Item Unit Unit Cost Quantity Estimate Assumption 1 Remove Existing Asphalt Concrete SF 6.00$ 7,300.00 43,800$ Assumed removing 2' of asphalt around new curb and gutter.2 Remove Existing Curb and Gutter LF 15.00$ 1,810.00 27,150$ Remove existing curb and gutter where sidewalk width is being extended. 70,950$
3 Thermoplastic Stripe LF 5.00$ 2,800.00 14,000$ Assumed re-striping of WBL and SBL cat tracks.4 12" Limit Line Stripe LF 7.00$ 311.00 2,177$ Assumed limit lines re-striped for EB, WB, SB approaches.5 High-Visibility Crosswalk EA 8,400.00$ 10.00 84,000$ Includes removal of existing markings and installation of new paint and striping. Assumed all existing crossings will be improved with project. 6 Thermoplastic Pavement Legend SF 10.00$ 420.00 4,200$ Assumed re-painting of pavement legends for EB, WB, SB approaches.7 Red Curb LF 5.00$ 210.00 1,050$ 50' of red curb at Crescent Plaza/Crescent Dr new far-side pull-out bus stop. 8 Green Thermoplastic SF 15.00$ 13,250.00 198,750$ Green thermoplastic for cycletrack along Contra Costa Blvd.9 Green Conflict Markings SF 35.00$ 1,320.00 46,200$ Green conflict markings along driveways for cycletrack along Contra Costa Blvd. 10 Thermoplastic Bicycle Lane Legend or Sharrow @ 14 Sq Ft each EA 140.00$ 26.00 3,640$ Thermoplastic bike lane legend for cycletrack along Contra Costa Blvd. 354,017$
11 Landscape Buffer SF 32.00$ 11,400.00 364,800$ Includes median hardscape and landscaping. Median lanscape along Monument. Assumed median along Contra Costa remains constant.12 Concrete Sidewalk SF 30.00$ 5,150.00 154,500$ Assumed sidewalk extension on southwest and northwest corners.13 Concrete Curb & Gutter LF 70.00$ 3,650.00 255,500$ Assumed new curb and gutter at new curb line. 14 Asphalt Overlay at New Curb SF 8.00$ 7,300.00 58,400$ Assumed 2' of asphalt overlay around new curb and gutter.15 ADA Curb Ramp EA 10,000.00$ 12.00 120,000$ Assumed all corner ramps will be improved with project.16 Major Signal Modification/New Signal Intersection 800,000.00$ 2.00 1,600,000$ Assumed major signal modification to separate northbound right turns from peds in east and south crosswalks.17 Asphalt Path SF 6.00$ 17,550.00 105,300$ Assumed asphalt path along cycle track.18 Concrete Driveway SF 30.00$ 2,250.00 67,500$ Includes curb extension past bikeway and ramp to road level. 1 driveway crossing cycle track along Contra Costa Blvd.19 Path Curb Ramp EA 15,000.00$ 8.00 120,000$ Path ramp across south crossing east of bike lane.20 Bus Stop Amenities EA 15,000.00$ 1.00 15,000$ Includes shelters, benches and lighting. Assumed a lump sum cost for bus stop improvements at the farside bus stop.21 Intersection Lighting Intersection 40,800.00$ 1.00 40,800$ Half of Monument/Contra Costa intersection will need new light poles. 22 Pedestrian Scale Lighting Mile $ 1,320,000.00 0.20 $ 264,000 Assumed pedestrian scale lighting along Contra Costa Blvd cycle track. 23 Bus Boarding Island Bus Stop 151,000.00$ 1.00 151,000$ Assumed a lump sum cost for bus stop improvements at the mid-block Contra Costa Blvd bus boarding island including railing and signage.24 Raised Crosswalk Crosswalk 30,000.00$ 1.00 30,000$ Raised crosswalk at W Hookston Rd crossing.25 Rectangular Rapid Flashing Beacon Crosswalk 40,000.00$ 1.00 40,000$ RRFBs at W Hookston Rd crossing. Includes removal of existing markings, restriping, and other surface treatment. 26 Speed Hump/Cushion EA 10,000.00$ 2.00 20,000$ Includes roadway excavation, installation of new asphalt, necessary signage and markings. Assumed one on each direction of W Hookston Rd.27 Detectable Warning Surface SF 20.00$ 12.00 240$ Assumed at entrance and exit of where shared use path meets sidewalk.28 Tactile Directional Indicator LF 25.00$ 1,330.00 33,250$ Includes indicator strip as buffer between cycle track and sidewalk. 3,440,290$
386,500$ 193,250$ 579,750$ 386,500$ 386,500$
5,798,000$ 1,449,500$
7,248,000$
2,174,400$
GRAND TOTAL $ 9,422,400
Construction Total
Construction Sub-total
10%Traffic Control
Contingency
PA/ED/PS&E Costs
25%30%
Mobilization 10%
DEMOLITIONSOFT COSTS
SubtotalSubtotalSubtotal
SIGNING AND STRIPINGSTREET IMPROVEMENTS
10%15%Construction Management
Miscellaneous Drainage Improvements
Miscellaneous Utility Adjustment 5%