Page 73 - Trenchless Technology Piping Installation and Inspection

New Pipeline Installations 43

1.10 Cost Estimating and Bidding
Unit price contracting is the most common method for bidding and
cost estimating of trenchless projects. Other methods of bidding
trenchless installations include lump sum and cost-plus or time and
materials. Table 1.9 presents a sample unit price bid for a HDD water
pipe installation project.

Item Unit Total
No. Item Description Quantity Unit Cost Price
1 Mobilization, bonds, insurance 1 ls $______ $______
2 Stormwater Pollution Prevention 1 ls $______ $______
Plan
3 Trench and Excavation Safety 13,936 lf $______ $______
Plan
4 12" DR-18 C900 PVC water line 5,010 lf $______ $______
5 12" Gate valve and valve box 2 ea $______ $______
6 Service line pressure reducing 19 ea $______ $______
valve
7 12" × 12" tapping saddle 1 ea $______ $______
8 Cut and plug existing 6" water 52 ea $______ $______
line
9 Fire hydrant assembly 13 ea $______ $______
10 Reconnect existing fire hydrant 11 ea $______ $______
11 Remove existing fire hydrant 11 ea $______ $______
12 Bore without encasement – 12" 861 lf $______ $______
DR18 C900
13 16" bore without encasement – 8" 156 lf $______ $______
DR18 C900
14 New service line and meter 133 ea $______ $______
stop-recon to ex. meter
15 Asphalt pavement replacement 2,855 lf $______ $______
16 Gravel pavement replacement 2,360 lf $______ $______
17 Traffic control plan 1 ls $______ $______
18 Disinfection and testing 1 ls $______ $______
TOTAL ORIGINAL BID: $______

TABLE 1.9 A Sample Unit Price Bid for a HDD Water Pipe Installation Project