5-Measurement and Payment.docx

MEASUREMENT AND PAYMENT FOR BID SCHEDULE LINE ITEMS

MOBILIZATION AND DEMOBILIZATION

Lump sum payment for transportation of equipment, material, and personnel to and from the job site location (regardless of trips required), required permits and fees, taxes, and all other necessary items to complete the work.

SOLID SEWER PIPE, 4" PVC D3034

Payment for solid sewer pipe shall be made at the contract unit price for the size of pipe listed based on the number of linear feet installed. Payment shall include excavation, backfill and compaction; all pipe and fittings; connection of the solid sewer pipe to existing sewer service line from house; leak testing; resurfacing trenched areas to equal or better condition than existing; and all other necessary items for a complete and operational installation.

4” UNDERGROUND TWO-WAY CLEANOUT

Payment for the underground two-way (“doublesweep”) cleanout shall be made at the contract unit price for the number of underground cleanouts installed. Payment shall include excavation, backfilling and compaction, all pipe and fittings, and all other necessary items for a complete and operational installation. No payment shall be made for cleanouts installed above grade as part of the connection to existing house.

1,200-GALLON, 2-COMPARTMENT CONCRETE SEPTIC TANK

Payment for septic tank as specified in the Design shall be made at the contract unit price for the size of tank listed (a 1,250-gallon tank is also acceptable) based on the number of tanks installed. Payment shall include excavation, backfill, compaction, gravel base (when required), dual compartment septic tank, two 24-inch diameter ribbed PVC watertight risers and lids, baffles, plumbing, valves and fittings, connection to solid sewer pipe, 1/16-inch effluent filter rated for at least 480 gallons per day (Polylok, Zabel, or equivalent), resurfacing excavated areas to equal or better condition than existing and grading to direct surface runoff away from tank, and all other necessary items needed for a complete and operational installation.

1,200-GALLON CONCRETE PUMP TANK, PUMP, AND CONTROLS

Payment for pump chambers shall be made at the contract unit price for the size of tank listed (a 1,250-gallon tank is also acceptable) based on the number of tanks installed. Compensation shall include payment for excavation, sand or gravel where non-uniform native soil or groundwater is present, backfilling and compaction; concrete pump chamber basin, effluent pump (1/3 horsepower, Zoeller Series 151 or equivalent, capable of providing 24 gallons per minute [gpm] at 16 feet of total dynamic head), solid sewer pipe between the septic tank and the pump tank, all plumbing, valves and fittings, pump shroud, 24-inch ribbed PVC watertight riser and lid, electrical controls and high-water alarm, floats, and watertight junction box; electrical connection from the pump chamber to the home electrical subpanel including all excavation, conduit installation, and backfill; Washington State Labor & Industries inspection, coordinating float and dosing settings with septic designer prior to start-up, resurfacing excavated areas to equal or better condition than existing and grading to direct surface runoff away from tank, and all other necessary items for a complete and operational installation.

2" PVC CL 200 EFFLUENT TRANSPORT PIPE

Payment for the effluent transport line from the pump chamber to the distribution box shall be made at the contract unit price for the sizes of pipe listed based on the number of linear feet installed. Compensation shall include payment for excavation, backfill, and compaction; all pipe and fittings, connection to distribution box, leak testing, and all other necessary items for a complete and operational installation.

DISTRIBUTION BOX AND 1.25” PVC MANIFOLD

Payment for the distribution box and manifold as shown in the drawings shall be made at the contract lump sum price. Compensation shall include payment for excavation, backfill, and compaction; installation of valve control box with at-grade lid, all pipe and fittings including a 2” to 1.25” reducer and adjustable ball valves for each of the four laterals, manifold, connection of manifold to distribution box and drainfield laterals, resurfacing excavated areas to equal or better condition than existing and grading to direct surface runoff away from valve box, and all other necessary items for a complete and operational installation.

GRAVEL TRENCH DRAINFIELD WITH 1.25” LATERALS

Payment for a low-pressure dosed gravel trench drainfield shall be made at the contract unit price based on the number of linear feet of drainfield trench installed. Payment shall include excavation, trenching, and backfill; washed ¾-inch to 2 ½-inch drain rock, 1 ¼-inch CL 200 PVC laterals with 3/16-inch orifices, all other piping and fittings, filter fabric, observation ports with threaded end caps for each trench, cleanouts on the end of each lateral, pressure testing, imported topsoil as needed, final grading, hydroseeding or grass seeding of entire drainfield area, grading to direct surface runoff away from drainfield area, and all other necessary items needed for a complete and operational installation.

ABANDON IN PLACE EXISTING SEPTIC TANK

Payment for pumping and abandoning existing septic tank shall be made at the contract lump sum price. Payment shall include excavation; locating the tank (tank location indicated on septic design); disconnection of the existing sewer pipe from home; pumping and disposal of the liquid and solids off-site per state and local codes; crushing tank and backfilling or breaking open the tank, filling the tank with approved borrow material; backfilling, compaction, restoring the ground surface to equal or better condition than existing, and all other necessary items for a complete abandonment. Existing drain pipe may be abandoned in place.