DEPOSIT-Kollam District Panchayath-Providing water supply to Valiyaparacharuvu colony in Chadayamangalam grama Panchayath

Amount

Pumping main and Distribution lines

100.98.234:Supply of PVC Pipe, 10kg/cm2, 63mm Dia.

100.98.236:Supply of PVC Pipe, 10kg/cm2, 90mm Dia.

100.98.440:Supply of CI Air Valve, Conforming to IS 14848 - 2000, Single Orifice, Small Orifice Type S1, Size 25mm.

100.98.457:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 80mm.

OD172130/2022-2023:Cost of supplying PVC specials @ 3% of Cost of pipe

15.2.1:Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

15.43.2:Dismantling manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer -in-Charge:Bituminous road

100.1.1:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in all kinds of soil.

100.1.5:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50 m, in Ordinary Rock.

100.1.13:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in Hard Rock where Blasting is Prohibited.

100.8.1:Fencing one side of trenches, 1.50m height with two rows of 10cm plastic caution tape in vertical casuarina pole (girth 15cm to 24cm) fixed at 2m intervals.

100.9.6:Laying uPVC pipes of class 2 to class 6 and specials, lowering to the trenches already made, placing in position aligning the pipeline to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipeline with water to the required test pressure (excluding cost of pipes and specials): 63 mm nominal outside diameter pipes.

100.9.8:Laying uPVC pipes of class 2 to class 6 and specials, lowering to the trenches already made, placing in position aligning the pipeline to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipeline with water to the required test pressure (excluding cost of pipes and specials): 90 mm nominal outside diameter pipes.

18.12.3:Providing and fixing G.I. pipes complete with G.I fittings including trenching and refilling etc. External work25 mm dia nominal bore

18.12.6:Providing and fixing G.I. pipes complete with G.I fittings including trenching and refilling etc. External work50 mm dia nominal bore

18.12.8:Providing and fixing G.I. pipes complete with G.I fittings including trenching and refilling etc. External work80 mm dia nominal bore

100.98.1008:Engaging Coolie.

100.31.1.1:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 80mm diameter, Class I.

18.17.1:Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :25 mm nominal bore

18.17.4:Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :50 mm nominal bore

100.32.1:Conveying and fixing C. I. Single Acting Air Valve of approved quality with bolts, nuts, rubber insertions etc., complete, but excluding the cost of air valve (tail pieces, if required, will be paid separately): 25mm Single Acting Air Valve.

OD172083/2022-2023:Interconnection of existing 40/50/63/75/90 mm PVC or corresponding size GI pipes with newly laid 40/50/63/75/90 mm PVC or corresponding size GI pipes including earth work excavation for exposing the mains, cutting and dismantling the existing pipe to suite the alignment if required, supplying and fixing necessary specials to make a water tight joint, refilling the trenches etc including fencing, providing caution boards, bailing out water etc complete

OD172684/2022-2023:Alteration of existing house connections to the newly laid mains of size up to 110 mm pvc or corresponding size GI pipe using 25 mm Upvc pipe and specials including plugging the existing connection, earth work excavation for exposing the mains, taking new connection using suitable size saddle piece, 20 mm brass wheel valve, providing and laying 25 mm Upvc pipe for an average length of 4 meters, connecting to the existing service line etc complete.

4.1.3:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

5.9.1:Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete

Steel tank

OD172386/2022-2023:Supply, installation and commissioning of a pre-engineered, pre-fabricated, factory manufactured steel storage Water Tank having a capacity of 60000 L for the storage and supply of Potable Drinking Water with corrugated section Zinc alum steel sheet for the shell in minimum thickness of 0.6 mm, in multiple layers as required for the capacity and height of the tank and multiple-layered PE sheet/membrane for the inner containment liner. The Tank Shell / Body & the Liner material shall be manufactured in a facility certified and compliant to ISO 9001 / 2000 standards. The Tank shall be supplied with access points, penetrations for inlets, outlets, drains and fittings, overflow and drain, high and low water level indicators. All connections to the tanks shall be with flanged or threaded nozzles, placed to the KWA water mains TANK ROOF The roof of the tank shall be of corrugated Galvalume sheet steel and shall be domed, with heavy- duty Hot-dip Galvanized truss frame for support, and capable of supporting 4-5 persons for maintenance and cleaning and tank shall have an access hatch with cover, on the roof, for operation and Maintenance.<br>TANK COVER<br>Tank covers shall be of approved galvanized vermin proof construction. Roof ends shall be fitted with suitable vermin-proofing tape or other material, to prevent ingress of dust and foreign objects. Covers shall be firmly fixed to the top edge of the tank with galvanized bolts and nuts. <br>LADDERS<br>Tanks shall be provided with Hot-dip Galvanized ladders internally or externally. External roof supports shall be of an appropriately designed Hot-dip galvanized steel construction. Tanks shall comply with relevant spill level, air gap and overflow requirements relative to Effective Capacity. All nuts and bolts used for the panels shall be a minimum of 12mm size and hot-dip galvanized/Case hardened. The tank shall have a circular angle fixed around the total circumference of the tanks, at the top, of minimum 2 mm thickness. Tanks shall be properly flushed out with clean water prior to being brought into service.<br>TANK DIMENSIONS - The dimensions of the Tank shall be of 3.00 m in diameter and 4.25 m in height<br>DESIGN LIFE - The tanks shall have a design life of 50 years.<br>TANK CONNECTIONS - Standard design valve outlet connection : One No. 80 mm CI Flanged valve for overflow connection including an internal approved bell-mouth shaped bends to maximize the overflow capacity. One no. 100 mm scour drain outlet from the floor of the tank with isolation valve. One No. 100 mm CI Sluice valve for out let connection. TANK LINERS -Tank liners shall be purpose-designed and manufactured and shall comply to AS/NZS 4020 (Appendix A) of 2005 and ANSI/NSF 61/ 2008, Section 5 Certificates of compliance to above standards shall be furnished by the manufacturer of the tanks. Tank liners shall: Be factory manufactured to one- piece construction, fabricated from multi-layer PE sheet, certified for potable drinking water, to ANSI NSF 61 and duly UV Stabilized. ii) (polyethylene) in multi-layer construction for strength, reinforced with woven scrim industrial fabric to prevent elongation and enhance tensile strength. The contact surface shall be of Metallocene layer.<br>iii) The total liner material thickness shall be no less than 0.8 mm thick <br>DESIGN LIFE<br>The tanks shall have a design life of 50 years.The tensile strength shall not be less than 2266 N (warp) and 2495 N (weft) and heat sealing strength<br>of 2056 N<br>v) All the liner welded lap joints shall be strengthened with Metallocene encapsulating tape welded over<br>the overlap.<br>vi) The Metallocene tape shall cover and protect the exposed material at the edges of the liner joints to<br>further prevent the ingress of water into the scrim.<br>vii) Liners shall be positively and continuously attached to the top outer edge of the circumference of the<br>tank to prevent entry of water from the runoff from the roof structure.<br>viii) All liners on tanks over 2 m in height shall have a continuous intermediate liner support designed out<br>of nylon (or other material)cord, around the circumference of the tank, at vertical intervals corresponding<br>to the level of each ring.<br>ix) The intermediate liner support cords shall be firmly secured to the steel shell at each level CORROSSION PROTECTION<br>The tank structure shall have a secondary corrosion protection system using sacrificial magnesium<br>anodes. The number of anodes, their location around the tank and the mass of each anode shall be<br>designed for anode replacement frequency of five years.<br>The anodes shall be installed external to the tank and concrete apron with their location marked with a<br>suitably label

OD172628/2022-2023:Carriage of steel tank components to the top of the rock by loading into pick up truck fastening safely unloading at the top of the rock stacking carefully etc complete

2.7.3:Earth work in excavation by mechanical means (Hydraulic excavator )/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed.Hard rock (blasting prohibited)

OD172438/2022-2023:Providing and fixing dowel bars of size 16 mm and length 1.80 meters (1.20 m inside the rock and 0.60 m in the concrete) including drilling holes up to a depth of 1.20 m, cost of TMT steel bars, grouting etc. complete

4.1.3:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

5.1.3:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

5.9.1:Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete

5.22.6:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more

Inline Booster pumping station

OD172687/2022-2023:Supply, Installation of booster pump with Min operating condition - 18m3/hr at 100 meters Max operating conditions -3 phase, 50 Hz. The rate include cost of pump set, cost of motor cost of panel board, cost of starter, cable from panel board to starter and starter to Motor, cost of Capacitor, suction pipe 10 m length, foot valve, Non return and sluice valve ,pipe connection works for suction side and delivery side , suitable Earthling as per IE rule, Erection charges including foundation , base plate, cost of cement sand and metal, trail run and commissioning etc. complete as per the direction of Engineer in charge

OD172688/2022-2023:Taking electrical connection to the pumping station including OYEC amount CD, Inspection charges etc. complete

10.2:Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

12.1.2:Providing corrugate G.S. sheet roofing including vertical/ curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete ( up to any pitch in horizontal / vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.0.80 mm thick with zinc coating less than 275 gm/m2

4.1.3:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

5.1.3:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

5.9.1:Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete

5.22.4:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelHot rolled deformed bars

Valve chamber

2.8.1:Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil

2.9.1:Excavation work by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m.Ordinary rock

4.1.3:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

5.1.3:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

5.9.2:Centering and shuttering including strutting, etc. and removal of form for:Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

5.22.6:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more

OD190706/2022-2023:Supplying and fixing C.I with cover and frame for manholes 560 mm diameter ( heavy duty)

R SUSEELAN

Bidder Name

RAMLAL T G

R SUSEELAN