Shifting of sewer collection system at the junction of L and T Colony and Kaliamman Koil Street, Depot 128, Area X

Sewer system

Supply, delivery & laying of C.I. pipes including earthwork excavation for trenches in hard stiff clay, blackcotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil depositing the earth on banks with initial lead of 10 m and initial lift of 2m carting the pipes from any of the Board’s Stores to the site of work lowering into the trenches, aligning, refilling the trenches with excavated soil, watering and ramming to consolidation, etc., complete for the pipes of following diametres.

600mm dia at 5.0m deep

Construction of Precast circular RCC machinehole using sulphate resistant cement with M30 design mix concrete using Crushed stone sand (M sand) including earthwork excavation as per SS20B including timbering and pumping charges(for 2.5m depth and above),Providing PlainCement Concrete 1:1.5:3 using 20mm B.G. jelly for foundation,supplying and filling sand forbedding, Providing base units of 1m height(base slab and sidewall),riser unit (without corbel) of varying heights to suit the various depth requirements and roof slab including cost of steelreinforcement, cost of fabricating the steel mould using MS sheet and ISA angles including material and labour cost, Providing CI steps, fixing FRC machinehole frame and door, benching and channelling, refilling with excavated earth and disposal of surplus earth, joining of precast units by grouting with CM1:1 and polyurethane based water proofing compound 1% (by weight of cement) at shear key and protruded bars- grout holes locations,Cost of conveyance and erection chargesof precast machinehole at the required position as directed by the engineer at site includingtesting the machinehole with water for 48 hours to check water tightness and rectifying the defectsif anyfor the following sizes and depths.

1.20m at 5.0m deep

Cutting of pipes

600mm dia at 5.0m deep

Providing Iron Barricading of size 2.50 m width and 1.75 m height using 40x40x4 mm angle for outer frame supports, 25 x 25 x 3mm angle for inner frame supports and 20 gauge thickness MS sheet for name board (as per drawing) including cutting, welding, fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality, writing "METRO WATER" & work detail/caution sign, providing necessary interlocking arrangements with adjoining units, fixing danger flags, danger lights, reflectors, fixing stickers etc, including watching during night and placing the barricading units as directed at the sites

Dewatering using 10HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. (Dewatering sewage from U/s to D/s from Machine holes)

Dewatering using 7.5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. (Dewatering sewage from U/s to D/s from Machine holes)

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. (Dewatering sewage from U/s to D/s from Machine holes)

Disposal of surplus earth

Providing House service connection: Supplying, laying jointing and testing UPVC pipe including earthwork excavation for trenches in hardstiff clay, stiff black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil, depositing the earth on banks with initial lead of 10m. lowering the pipes into the trenches, aligning, refilling the trenches with excavated earth in layers of not more than 23cm thick watering, ramming to consolidation and disposal of surplus earth etc., complete

110mm dia upto a depth of 1.0m

160mm dia upto a depth of 1.5m

RTK Survey

a) For the Underground / Surface assets along the road for the distance ranging from (for < 2km)

Providing Wet mix macadam including premixing the material with water at OMC in mechanical mix plant carriage and laying in uniform layers and compacting etc.Complete as per clause 406 of MORT&H specifications

Cement concrete 1:3:6 using Crushed stone sand (Msand) and 20mm gauge hard broken stone jelly for plain concrete works including laying ramming curing, etc., complete.

Hire charges for JCB mounted power breaker

Dismantling the existing machine hole

Brick or stone masonry in cement mortar walls under 3.00m high

Interconnection with existing Machinehole and packing of existing machine hole and providing & removing of dummy with gunny bags as per directions of officials.

Providing, and fixing dummy at upstream side and downstream of the machinehole and removing of dummy after completion of work by rope pulling method without entering into the machinehole

Drilling of borewells of size 6" to 8" dia in Sedimentary formation using hand boresets including insertion of casing pipes supplying and packing of pebbles and conveyance of hand Boreset including loading and unloading.

Supplying and lowering 125mm nominal dia PVC (140mm OD) casing pipe as per IS 12818/1992 for required depth including the cost of cutting, threading and coupling, transporting charges, labour for erection, etc. complete.

Hire Charges of upto 5HP Submerible pump. The rate incluing cable, panel board, suction delivery pipe inclinding dispoal arrangement for 50m away from the line and labour charges for operation and maintenance day and night shift etc

Flushing (developing) the bore well for 150 PSI 500 to 600 CFM with air compressor including cost of hire charges for compressor,labour,fuel,consumables,transportation and other items if any required during the operation etc. complete as directed by the Board's Engineer.

Hire charges for Genset 63 KVA including to and fro transportation complete etc.,

Labour charges for the erection and of submersible pumpset in borewell/openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trial run for 10 days.

For removal of centrifugal pumpset/jet pumps/submersible pumpsets and its accessories from bore well/open well 5 HP pump

Conveyance of power pumpset (centrifugal jet and submersible) and its accessories from stores to site of works

Operation charges in 63 Kva Genset includeing fuel, operator and other consumebles complete etc.,

Sub Total (excluding GST)

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