Site Layout, Grading, and Utilities Contract Addendum 1 Bill of Quantities

Preliminary and general works include contractor mobilization and demobilization, site demolition, and site clearing and rough grading. The total cost for these activities is $0. Miscellaneous cast-in-place concrete works include the construction of sidewalks, walkways, assembly areas, and bike parking areas. The revised site layout plans show modifications to the joint design for these areas, reducing the cost of the concrete pavement areas. The total cost for these activities is also $0. Greywater tanks and sewer/greywater drain piping works include the construction of a sanitary influent pump station, a wastewater treatment plant, and reinforced concrete sanitary effluent pump stations. The design of the pump stations has been modified to reduce costs, and the greywater tanks have been deleted. The total cost for these activities is $0. The bill of quantities for the works includes transportation, excavation, shoring, dewatering, and installation costs. The quantities of materials and labor required for each activity are listed, along with the unit prices and total prices. The total cost for all activities is $0. The contract includes the installation of various pipes and fittings, including 80mm and 110mm diameter SDR 17 HDPE sewer connections, 160mm diameter corrugated smooth wall SDR 17 HDPE pipe for sewer, and 100mm SDR 17 HDPE pipe and Sch 80 PVC pipe for influent forcemain connection. The total length of these connections has been increased with the Addendum 1 drawings. The contract also includes the construction of reinforced concrete pads for water tanks and transformers, as well as the installation of treated effluent forcemain and greywater storage tanks. However, the greywater storage tanks have been deleted from the contract. The quantities of materials and labor required for each activity are listed, along with the unit prices and total prices. The total cost for all activities is $0. The contract includes various notes and references to specifications and drawings, which are used to clarify the scope of work and the requirements for each activity.