31/2023-24/WSD/NTA

Amount

Pipe laying and booster pump house

OD231055/2022-2023:Supply, conveying and erecting high head CF booster pump with 3 phase power, 30 m head , 7.5 LPS, The rate includes, cost of pump, motor, dry run preventer, panel board, starter, suitable pressure gauge 1 nos, Aluminium cable from panel board to starter and starter to Motor, cost of Capacitor, Non return and sluice valve, pipe connection works for suction side and delivery side , suitable Earthing as per IE rule, Erecting 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. The size of the pumping main is 65mm GI Pipe with a length of 500 meters.

OD233283/2022-2023:Protecting Cover for Booster pump, KYOSK with metel roof for placing the energy meter starter and panel board accessories.-( Size-L- 3.00 x W-1.80 x H-2.50)

OD231058/2022-2023:OYEC amount for taking connection to the Booster pump house near Pankadu including CD, Inspection charges etc. complete

OD231141/2022-2023:Supply, installation and commissioning of a pre-engineered, prefabricated, factory manufactured steel storage Water Tank having a capacity of 25000 L (1Nos.) 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. TANK COVER 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. LADDERS 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 2Mm thickness. Tanks shall be properly flushed out with clean water prior to being brought Into service. TANK DIMENSIONS-The dimensions of the Tank shall be of 3.0m in diameter and 3.60m in height. DESIGN LIFE - The tanks shall have a design life of 50 years. TANK CONNECTIONS Standard design valve outlet connection: One No. 200mm CI Flanged valve. ii) Overflow connection including an internal approved bell-mouth shaped bends to maximize the Overflow capacity. ? One no. 100 mm. iii) One (1) scour drain outlet from the floor of the tank with isolation valve. One No. 100 mm 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: i) 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) Be of PE (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.iii) The total liner material thickness shall be no less than 0.8 mm thick DESIGN LIFE The tanks shall have a design life of 50 years. TANK CONNECTIONS Standard design valve outlet connection: One No. 200mm CI Flanged valve. ii) Overflow connection including an internal approved bell-mouth shaped bends to maximize theoverflow capacity. ? One no. 100 mm.iii) Onescour drain outlet from the floor of the tank with isolation valve. One No. 100 mm 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: i) Be factory manufactured to one- piece construction, fabricated from multilayer PE sheet, certified for potable drinking water, to ANSI NSF 61 and duly UV Stabilized. ii) Be of PE (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. iii) The total liner material thickness shall be no less than 0.8 mm thickiv) The tensile strength shall not be less than 2266 N (warp) and 2495 N (weft) and heat sealing strength of 2056 N v) All the liner welded lap joints shall be strengthened with Metallocene encapsulating tape welded over the overlap. vi)The Metallocene tape shall cover and protect the exposed material at the edges of the liner joints to further prevent the ingress of water into the scrim. vii) Liners shall be positively and continuously attached to the top outer edge of the circumference of the tank to prevent entry of water from the runoff from the roof structure. viii) All liners on tanks over 2 m in height shall have a continuous intermediate liner support designed out of nylon (or other material) cord, around the circumference of the tank, at vertical intervals corresponding to the level of each ring. ix) The intermediate liner support cords shall be firmly secured to the steel shell at each level, to prevent stress on the liner welded joints, and thereby eliminate possibility of failure CORROSSION PROTECTION The tank structure shall have a secondary corrosion protection system using sacrificial magnesium anodes. The number of anodes, their location around the tank and the mass of each anode shall be designed for anode replacement frequency of five years. The anodes shall be installed external to the tank and concrete apron with their location marked with a suitably label-Cost for Tank steel with 10years guarantee includes shell, Steel wall, steel domed roof, Zinc Alum steel',C ost for Poly ethylene infinity liner ,Geo synthetic Fibre with food grade plastics are used for inside coating and Support Arrangements, Cost for Fabricated items, attachments and accessories like steel ladder, Cost of Fabricated nozzles, over flow nozzles and drain arrangements, Cost for HDG nut and bolts, Freight Charges, Erection Installation and commissioning of Tank components

100.59.1:Cutting the bituminous / concrete roads with cutting machine for a minimum depth of 200mm along the sides of proposed alignment of the pipe to be laid without causing any damage to other utilities, including the charges for hire and conveyance of tools and plant, cost of consumables and charges for lighting, watching, ribbon fencing, caution boards, traffic diversion, and as per the direction of departmental officers etc. complete, before carrying out the demolition of bituminous / concrete road by mechanical means and carrying out the excavation.

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.

100.8.1: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.

OD94036/2023-2024:Providing and fixing G.I. pipes complete with G.I fittings including trenching and refilling etc. External work - 65 mm dia nominal bore

100.9.7: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): 75 mm nominal outside diameter pipes.

OD231220/2022-2023:Cost of supplying PVC specials @5% of pipe cost

OD231105/2022-2023:Providing Interconnection between newly laid line with existing pipe line using necessary specials for interconnection works including cost of all specials all labour charges etc;complete as per direction of departmental oficers.

100.98.1008:Engaging Coolie.

100.41.39:Supply, stacking, spreading and consolidating of Quarry Muck in the trench of pipe line, including carriage, loading, unloading & stacking up to any lead.

18.17.5:Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :65 mm nominal bore

OD233289/2022-2023:Supply of MS ladder with hand rails, having one inch dia tubes for a length of 3.5metre. 0.45metre width including all charges complete

Foundation for Steel Tank

15.9.2:Demolishing stone rubble masonry manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer -in- Charges:In cement mortar

7.7.1:Coursed rubble masonry (second sort) with hard stone in foundation & plinth with:Cement mortar 1:6 (1 cement : 6 coarse sand)

100.41.39:Supply, stacking, spreading and consolidating of Quarry Muck in the trench of pipe line, including carriage, loading, unloading & stacking up to any lead.

5.9.3:Centering and shuttering including strutting, etc. and removal of form for:Suspended floors, roofs, landings, balconies and access platform

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

5.2.2:Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. up tot floor five level excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3( 1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size)

SHIBU C

Bidder Name

SREEKUMAR

SHIBU C