28/2023-24/WSD/NTA

Amount

Pipe laying work

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

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)

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.

100.8.1: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.

100.9.7: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.

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.

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

18.12.7:Providing and fixing G.I. pipes complete with G.I fittings including trenching and refilling etc. External work65 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

100.31.1.1: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.

OD94999/2023-2024:Providing and fixing 25mm Single acting Air valve with 25mm GM Valve for isolating the Air Valve, cost of flange, related materials all labour charges etc.

OD95000/2023-2024:Conveying the manhole cover from store to site including all labour charges 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)

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

100.98.235:Supply of PVC Pipe, 10kg/cm2, 75mm Dia.

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

OD95001/2023-2024:Cost of (10kg) Specials including PVC/CI Tail Pieces, CID/CIR Joints, (3% of PVC Pipe cost)

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

OD95002/2023-2024:Supply and fixing 50mm C I Non Return Valve PV-402

OD95003/2023-2024:Supply and fixing CI MH Cover with frame Weight not less than-208kg

OD95004/2023-2024:Labour engaged for fixing AIR/NR/Sluice valves and traffic control bailing out of water and such any other works as per the direction of dept officers.

Supply and erection of centrifugal pump sets & Steel Tank

OD94993/2023-2024:Supply, Installation of high head CF booster pump,3 phase,145 mt head, 1 LPS with warranty for 2 years for the date of commissioning, The rate includes ,cost of pump, cost of motor, cost of dry run preventer, cost of panel board, cost of soft starter ,cost of suitable pressure gauge 2 nos, starter, Aluminium cable from panel board to starter and starter to motor, cost of capacitor,65mm GI (Class-B) suction pipe minimum 5 mt length foot valve ,Non return and sluice valve pipe connection work for suction and delivery side, earthing as per IE rule, Etraction charges including foundation ,base plate, cost of cement sand and metel, trail run and commissioning etc. complete as per the direction of engineer in charge

OD94994/2023-2024:OYEC amount for taking connection to the Booster pump house near Kurushumala Church including CD, Inspection charges etc. complete

OD94995/2023-2024: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-2.00 x H-2.50)

OD94996/2023-2024:Supply and installation of module for mobile starter for motor including SIM

OD94997/2023-2024:Inter connection and making 65x65x50mm GI/MS Flanged Tee for connecting existing 75mm PVC line to 50mm Suction pipe with Flanges all all labour and materials charges etc complete.

OD94998/2023-2024:Supply, installation and commissioning of a pre-engineered, pre-fabricated, factory manufactured steel<br>storage Water Tank having a capacity of 20000 L for the storage and supply of Potable Drinking Water<br>with corrugated section Zincalume steel sheet for the shell<br>in minimum thickness of 0.6 mm, in multiple layers as required for the capacity and height of the tank and<br>multiple-layered PE sheet/membrane for the inner containment liner.The Tank Shell / Body & the Liner<br>material shall be manufactured in a facility certified and compliant to ISO 9001 ? 2000 standards. The<br>Tank shall be supplied with access points, penetrations for inlets, outlets, drains and fittings, overflow and<br>drain, high and low watebe domed, with heavy- duty<br>Hot-dip Galvanized truss Maintenance.<br>TANK COVER<br>Tank covers shall be of approved galvanized vermin proof construction. Roof ends shall be fitted with<br>suitable vermin-proofing tape or other material, to prevent ingress of dust and foreign objects. Covers<br>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<br>shall be of an appropriately designed Hot-dip galvanized steel construction. Tanks shall comply with<br>relevant spill level, air gap and overflow requirements relative to Effective Capacity. All nuts and bolts<br>used for the panels shall be a minimum of 12mm size and hot-dip galvanized/Case hardened. The tank<br>shall have a circular angle fixed around the total circumference of the tanks, at the top, of minimum 2 mm<br>thickness.Tanks shall be properly flushed out with clean water prior to being brought into service.<br>TANK DIMENSIONS<br>The dimensions of the Tank shall be of 3.56 m in diameter and 2.58 m in height DESIGN LIFE<br>The tanks shall have a design life of 50 years.<br>TANK CONNECTIONS<br>Standard design valve outlet connection : One No. 80 mm CI Flanged valve.<br>ii) Overflow connection including an internal approved bell-mouth shaped bends to maximize the overflow<br>capacity. ? One no. 100 mm.<br>iii) One (1) scour drain outlet from the floor of the tank with isolation valve. One No. 100 mm<br>TANK LINERS<br>Tank liners shall be purpose-designed and manufactured and shall comply to AS/NZS 4020 (Appendix A)<br>of 2005 and ANSI/NSF 61 ? 2008, Section 5 Certificates of compliance to above standards shall be<br>furnished by the manufacturer of the tanks.<br>Tank liners shall:<br>i) Be factory manufactured to one- piece construction, fabricated from multi-layer PE sheet, certified for<br>potable drinking water, to ANSI NSF 61 and duly UV Stabilized.<br>ii) Be of PE (polyethylene) in multi-layer construction for strength, reinforced with woven scrim industrial<br>fabric to prevent elongation and enhance tensile strength.<br>The contact surface shall be of Metallocene layer.<br>iii) The total liner material thickness shall be no less than 0.8 mm thick 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, to prevent<br>stress on the liner welded joints, and thereby eliminate possibility of failure<br>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.

2.6.1: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.All kinds of soil

4.1.8:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 nominal size)

7.1.1:Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) up to plinth level with:Cement mortar 1:6 (1 cement : 6 coarse sand)

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)

5.9.5:Centering and shuttering including strutting, etc. and removal of form for:Lintels, beams, plinth beams, girders bressumers and cantilevers

5.22.1:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelMild steel and Medium Tensile steel bars

13.3.1:20 mm cement plaster of mix:1:4 (1 cement : 4 fine sand)

13.33.1:Pointing on stone work with cement mortar 1:3 ( 1 cement : 3 fine sand):Flush/ Ruled pointing

2.25:Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

Construction of Valve Chamber

2.6.1: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.All kinds of soil

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

13.7.1:12 mm cement plaster finished with a floating coat of neat cement of mix:1:3 ( 1 cement : 3 fine sand)

Vijayan T

THANKANPPAN CONTRACTOR

Bidder Name

THANKANPPAN CONTRACTOR

SHIBU C

Vijayan T