Extra Work Proposal
Labor and Material Breakdown
70800984 Date : 9/2/2026
San Pablo Senior Center Extra Work Proposal # : 2
Pricing Breakdown:
Equipment 13,945.00 $
Sheet Metal-Shop 145.24 $
Sheet Metal-Field 10,697.25 $
Systems Operations 3,498.04 $
Service 19,882.24 $
Project Support 8,020.00 $
Subcontracts 19,641.00 $
TOTAL COST 75,828.77 $
+ Overhead (excl. Subs) 15% 8,428.17 $
15% 2,946.15 $
Total Extra Work Proposal Price 87,203.09 $
Time extension required because of labor added by t his change is 20.9 workdays This proposal includes 167 straight tim e field hours, - overtime field h ours, - double time field hours, & - shift work field hours.
ACCO is:
Proceeding with this work: Waiting for authorization : X
Date: 9/2/2026
Date:
Description of work:
Provide and install (1) new swamp cooler and supply grilles serving the kitchen. Provide and replace (1) existing heat pump system with (1) outdoor CU and (2) indoor FCUs. Provide and install (1) new 2-ton split system and fused disconnect.
ACCO has excluded any equipment screenings from this proposal.
Job # :
Job Name :
+ Subcontracts Overhead/Fee
Signature
Submitted by: Bryden Connel
Project Manager
Approved by:
This price does not include any cutting or patching of drywall, electrical, painting, or other general construction. The cost of this change includes only those direct costs which can be identified at this time. There are no impact or ripple costs and no delay costs included in this proposal. Should it be determined at a later date that we are experiencing impact cost because of multiple changes, delays, or causes beyond our control, we will submit those costs at that time.
ACCO Engineered Systems 1 of 3 9/2/2026
EWP #: 2 Extra Work Proposal Breakdown
Job #: 70800984
Job Name: San Pablo Senior Center Date: 9/2/2026
EQUIPMENT
DESCRIPTION # of Trips HRS (ST) HRS (OT) HRS (DT) HRS (SHIFT) AVG LABOR RATE LABOR $ MATERI AL $ TOTAL $ See attached sheet: Equipment 13,945.00 $ 13,945.00 $ Equipment Totals: 0.0 0.0 0.0 0.0 - $ 13,945.00 $ 13,945.00 $ SHEET METAL - SHOP FAB Gross Net HRS (ST) HRS (OT) HRS (DT) HRS (SHIFT) AVG LABOR RATE LABOR $ MATERIAL $ TOTAL $ Hangers/Supports (lbs.) 15.0 0.3 - $ - $ 20.25 $ 20 .25 $ Clips & Closures (lbs.) 4.5 0.1 - $ - $ 6.08 $ 6. 08 $ Rect Ftg (lbs.) 100.0 80.5 3.3 - $ - $ 108.68 $ 108.68$ Duct Sealing 100.0 - $ 6.00 $ 6.00 $ Sheet Metal Shop Parts and Supplies 3% - $ 4.23 $ 4.23 $ Sheet Metal LBS: 100 100
Sheet Metal Logistics / Mat'l Delivery # of Trips HRS (ST) HRS (OT) HRS (DT) HRS (SHIFT) AVG LABOR RATE LABOR $ RENTAL $ TOTAL $ Sheet Metal Shop Totals: 4.4 0.0 0.0 0.0 - $ 145.24 $ 145.24 $ SHEET METAL - FIELD INSTALL UNITS HRS (ST) HRS (OT) HRS (DT) HRS (SHIFT) AVG LABOR RATE LABOR $ MATERIAL $ TOTAL $ Additional Scope - Layout 4.0 170.60 $ 682 .40 $ 682.40 $ Demolition Swamp Cooler & Sheet metal 8.0 170.60 $ 1,364.80 $ - $ 1,364.80 $ Rect Duct 8.0 170.60 $ 1,364.80 $ 150.00 $ 1,514.80 $ Clean-up for added work 5% 1.0 0.0 0.0 0.0 170.60 $ 170.60 $ 170.60 $ Field Consumables 2% 2.25 $ 2.2 5 $ Non-Production Field General Foreperson Time 5% 2.0 0. 0 0.0 0.0 178.00 $ 356.00 $ 356 .00 $ Sheet Metal - Tickets HRS (ST) HRS (OT) HRS (DT) HRS (SHIFT) AVG LABOR RATE LABOR $ MATERIAL $ TOTAL $ Swamp Cooler Install 16.0 152.00 $ 2,432.0 0 $ 80.00 $ 2,512.00 $ SM Crew - Rigging 24.0 170.60 $ 4,094.40 $ 4,094.40 $ Sheet Metal Field Totals: 63.0 0.0 0.0 0.0 10,465.00 $ 232.25 $ 10,697.25 $ SYSTEMS OPERATIONS HRS (ST) HRS (OT) HRS (DT) HRS (SHIFT) AVG LABOR RATE LABOR $ MATERIAL $ TOTAL $ HVAC Startup Equip Other 16.0 171.19 $ 2,7 39.04 $ - $ 2,739.0 4 $ Test and Balance 4.0 189.75 $ 759.00 $ - $ 759.00 $ Systems Operation Totals: 20.0 0.0 0.0 0.0 3,498.04 $ - $ 3,498.04 $ SERVICE HRS (ST) HRS (OT) HRS (DT) HRS (SHIFT) AVG LABOR RATE LABOR $ MATERIAL $ TOTAL $ Refrigerant charge/recovery 16.0 215.86 $ 3,453.76 $ 490.00 $ 3,94 3.76 $ Heat Pump Refrigeration Piping - Split System 32.0 21 5.86 $ 6,907.52 $ 984.00 $ 7,891.52 $ CU/FCU install - QTY (2) 20.0 215.86 $ 4, 317.20 $ 126.00 $ 4,443. 20 $ Pressure testing 16.0 215.86 $ 3,453.76 $ 150.00 $ 3,603.76 $ Service Totals: 84.0 0.0 0.0 0.0 18,132.24 $ 1,750.00 $ 19,882.24 $ PROJECT SUPPORT HRS (ST) HRS (OT) HRS (DT) HRS (SHIFT) AVG LABOR RATE LABOR $ TOTAL $ Design Engineer 40.0 128.50 $ 5,140.00 $ 5,140.00 $ Project Engineers 32.0 90.00 $ 2,880.00 $ 2,880.00 $ Project Support Totals: 72.0 0.0 0.0 0.0 8,020.00 $ - $ 8,020.00 $ SUBCONTRACTS TOTAL $
General 4,500.00 $
Crane 4,041.00 $
Electrical 9,000.00 $
Consulting Engineer 2,100.00 $
Subcontract Totals: 19,641.00 $
ACCO Engineered Systems 2 of 3 9/2/2026
Equipment
EWP #: 2
Job #: 70800984
Job Name: San Pablo Senior Center
Date: 9/2/2026
Totals: 7 $13,945.00 0.0 0.0
EQUIPMENT
Equipment Install Labor Hrs SU Labor Hrs
Tag Vendor Description Equip Scope Equip Type Quantity Unit Total ST
Unit
OT
Unit
DT
Unit
Shift
Unit
Subtotal
Units Total
ST
Unit
OT
Unit
DT
Unit
Shift
Unit
Subtotal
Units Total
EC-1 ATC Champion Swamp Cooler - Kitchen HVAC Evap Coolers & Condensers 1 $2,200.00 $2,200.00 0.0 0.0 0.0 0.0 SS-1 Trane Mitsubishi Heat Pump System MXZ-2D20NL HVAC Split Sys Dx Units (VRV/VRF) 1 $6,569.00 $6,569.00 0.0 0.0 0.0 0.0 SS-2 Trane Mitsubishi Split System - MUZ-GX24NL HVAC Split Systems 1 $3,376.00 $3,376.00 0.0 0.0 0.0 0.0 Grilles TNSW Kitchen Grilles HVAC Evap Coolers & Condensers 4 $450.00 $1,800.00 0.0 0.0 0.0 0.0 Totals 7 $13,945.00 0.0 0.0
ACCO Engineered Systems 3 of 3 9/2/2026