10000Ltrs OHT/ADColony/N.Melaiyur

Amount

Construction of 10000Litres Capacity OHT Tank of (7.50m Staging) Borewell and Powerpump at AD Colony in N.Melaiyur Panchayat

Earthwork excavation and dwposition on bank with an initial lead of 10m and lift of 2m in the following classification of soils as directed by Board officers. Hard stiff clay, block cotton, hard red earth, shales, murram, ordinary gravel, stoney earth and earth mixed with small size boulders for foundation SS 20B

First depth of 2m

Second depth of 0.35m

Sand filling with clear river sand including watering, consolidation etc.,complete for Foundation as directed by Bdo officers

Cement concrete 1:4:8 (one cement four sand and eight aggregates) using 40mm HBGS for levelling course for fooundation including the cost of mixing concrete, ramming, curing etc., complete as directed by Board officers.

RCC 1:11/2:3 using 20mm HBG Metal excluding cost of reinforcement, centering, shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishing

Below 1.50m from GL 0m to 1.50m

Above 4.50m and upto 7.32m Ht from GL

Above 7.32m and upto 10.98m Ht from GL

Provinding steel centering using MS plates of size 90cmx60cm 13 grade to 10 grade thick welded with 25mmx25mmx3mm MS angles supported with country wood stantling of size 10cmx6.5cm at 90 cm C/C strutting with casurina props of 100m to 13cm dia as directed by Board Officers.

Square Column Below GL and upto 3.30m above GL

Columns above 4.30m upto 5.30m ht from GL

Columns above 5.30m upto 6.30m ht from GL

Columns above 6.30m upto 7.30m ht from GL

Plane Surface

Below G.L and upto 3.30m ht above GL

From 3.30m to 4.30m ht above GL

From 5.30m . to 7.30m

Curved Surface

Supplying, fabricating and placing in position of HSD steel rods for reinforcement including the cost of steel and binding wire etc., complete and as directed by Board officers.

Painting two coats using ready mixed Plastic Emulsion paint inlcuding priming coat including cost and conveyance of all materials to site and all labour charges etc complete

Provision for pipe connection arrangements for inlet outlet, scour and overflow etc., includeing cost of pipes, specials, valve, labour charge for lifting, aligning, cutting, threading, fixing and painting of GI pipes with two coats of approved quality enamel paint etc., complete as detailed below.

For Inlet and Outlet Arrangements

65mm GI pipes for inlet connection

65mm GI pipes for over flow & rain water harvesting pipe

50mm GI pipes for scour pipe

65mm GI pipe for delivery pipe

90mm PVC Threaded coupler

63mm PVC Threaded coupler

65mm dia GI Tee

65mm dia GI bend 90

65mm dia GI bend (short)

65mm GI coupler

65mm GI union

65mm GI Elbow

50mm GI union

50mm GI Elbow

65mm GI Tee

65x50mm GI reducer

75mmx63mm PVC reducer

65mm GM gate valve

50mm GM gate valve

63 mm PVC 4Ksc Pipe

Fabrication,supply, delivery and fixing of outside MS ladder of 45cm wide made out of 50x50x6m MS angle for sides and steps in 16mm MS plain rods fixed at 30cm centre to centre welded, jointed etc., providing with suitable side supports, clamps, and locking arrangements provided with one coat of red oxide paint for providing access to roof top of 10,000 lit. capacity OHT of suitable inclined length, including bottom anchorage and 6transportation and as directed by Board officers.

Supply and delivery and fixing position of CI man hole cover and frame of Size 60x60cm on roof slab and as directed by the officers The manhole frame and cover should be of light duty and conforming to ISI 1726/1974

Refilling the Foundation for Service reservoir with excavated earth (other than sand) in layers of 15cm thick well rammed,watering and consoildating etc Complete complying with standard Specification as directed by the officers

Providing and fixing of RCC inner access ladder in RCC 1:1:5:3 (one cement, one and half sand and three aggregates) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete curing etc., to required height and clear width of 45cm consisting of two Nos. of vertical post of 10cm x 15cm and step slab of 25mm x25mm etc., complete and as directed by Board officers.

Drilling of New Borewell

Drilling of borewells in anywhere in Tamlnadu including transportations from one place to another place within the circle juristiction Alluvial soil of sedimentary starta of calyx and sand or sand stone stale, febbles, boulders etc; by first taking a Drilling 140/150mm pilot bore upto 60m depth ending below ground level

Reaming from140/150mm pilot bore to 300mm dia bore 0upto 60m depth ending from G.L.

Supply of 150 MM dia (O.D) PVC ribbed borewell casing pipe

Plain Pipe

Slotted Pipe

Labour charges for inserting the casing pipes assemble with or without slotting in the drilled hole supplying and packing the annular space with pebbles of size and quantity

Charges for development of bore well air compressor of 300 CFM capacity including transportaion charge fuel etc., and ascertaining the yield of the bore well as directed by department officers developed abore well 8hrs minimum

POWER PUMP

Supply & delivery of vertical type submersible 3 HP pumpset of discharge 50 lpm against a total head of 75 m suitable for borewell conforming to IS 8034/2002 and as amended from time to time with ISI mark with all asccessories and suitable panel Boards

Dust proof powder coated MV panel board of 18 SWG MS sheet and MS angle iron frame work with hinged front doors and fixed sides with locking arrangements ,provision for cable entry and twin earthing complete as per IE Rules (3 Phase DOL panel board

Supply and delivery of 4sqrm PVC copper flat submersible cable

Supply and delivery of the following size of GI and PVC specials as per IS specification

50mm dia Column pipe

50mm dia GI bend

50mm M.S.Clamp set

50mm GM Non return valve

50mm GM Gate valve

Labour charges for erection of 3 HP submersible pumpset in Borewell including fixing and jointing of 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 guage upto the exterior wall of the pumproom and erection of the Board consisting of TPICN switch starter volt meter ammeter, 3 pilot (indicating) capacitor, single phasing preventor water level guard and laying and jointing the cable and twin earthing as per IE rules etc. complete and testing the pumpset on trail run for 3 days including signing the completion reports as required by EB authorities. (P.No:243)S.I.N0. 17

CONTROL PANEL

Earth work excavation in all soils and sub soils in hard stiff clay ,stiff block cotton soil, hard red earth ,shales ,murram gravelly soil, and earth mixed with small sized boulders expect hard rock requring blasting

Filling with good river M.sand including cost and conveyance and all labour charges etc complete

P.C.C 1:4:8 using 40mm ISS ,HBG metal including cost and conveyance of all materials and all labour charges etc, complete

BrickWork in CM 1:5 using country bricks of ground moulded size size 19*9*7.5cm including cost and conveyance of all materials and labour charges including curing etc complete

Plastering with CM 1:5 12mm thick including all charges etc complete

Exterior Emulsion painting two coats with best approved quality and colour paint over one coat of Base coat including cost and convyance of all materials to work site and labour charges etc., complete.

GST Amount for providing Service to Government Contract Works for the above Construction Works. { GST Amount is the Total GST Amount for total overall quoted amount above this row in column "BB" for all works in this package}

R Saravanan (BID ID -1249431)