CONSTRUCTION OF 60000 LTRS OHT WITH BOREWELL AND PROVIDING DISTRIBUTION LINE AND FHTC IN CHELLAPPA NAGAR IN SANKARAPURAM PANCHAYAT

Amount

Construction of 60000 Ltrs OHT with Borewell and Providing Distribution line and FHTC in Chellappa nagar in Sankarapuram Panchayat

Earthwork excavation and depositing on bank with an initial lead of 10 m and lift of 2m in following classification of soils for foundation SS 20B as directed by TWAD Board officers.

Sand filling with clear river sand including cost of sand watering, ramming and consolidation etc. complete

Cement concrete 1:4:8 (One cement four sand and eight aggregates) using 40mm HBGS for leveling course including the cost of mixing concrete, ramming, curing etc. complete

RCC M30 using 20mm HBGS excluding cost of reinforcement, centering, shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishing, curing etc. complete as directed by TWAD Board officers

For items 1.5m to 4.5m below GL Footing

For items 0 to 1.50m below GL

For items 0m to 4.5m above GL &1.00 m Above G.L

For items 4.50m to 7.32m above GL

For items 7.32m to 10.98m above GL

For items 10.98m to 14.64m above GL

For items above 14.64m & up to 18.30m from GL

Supplying and erecting steel centering for sides and soffits including necessary supports and shuttering to the required height for RCC items using MS sheets or suitable size of BG 10 stiffened with welded MS angles of size 25mm x 25mm x 3mm of boarding, laid over Silver Oak joists of size 10cm X 6.5cm space at 10cm c/c and supported by Casurino Props 10cm - 13cm spaced at 75cm c/c etc., complete and as directed by TWAD Board Officers.

Plane Surface

Below G.L. and upto 3.3m height

8.31m . to 9.30m &11.31m to 12.30m

Curved surface

11.30m to 12.30m&12.30m to 13.30m,13.30m to 14.30m

Square columns

Square Column Below GL and upto 3.30m above GL

3.31m to 4.30m ht

6.30 to 7.30m ,7.30 to 8.30m ,8.30 to 9.30m ,9.30 to 10.30m ,10.30 to 11.30m &11.30 to 12.30m

Painting two coats with approved cement paint over one coat of priming coat over cement plastered exposed surface of the Reservoir including cleaning, preparing the surface and curing etc. complete and as directed by TWAD Board officers.

Supplying fabricating and placing in position of HSD steel rods for reinforcement including the cost of steel and binding wire etc.

Fabrication, supply, delivery and fixing of outside MS ladder wide 45cm made out of 50x50x6mm MS angle for sides and steps in 16mm MS plain rods fixed at 30cm centre to centre with hand rails

Providing RCC Inner Ladder including all charges

Providing 110mm PVC vent cowl arrangements mosquito proof nylon net and as directed by TWAD Board officers

Providing and fixing of cut stone (Roughdressed) set in CM 1:3 of size 0.45 X 0.45 X 0.15M at site including cost of all materials, labour charges, curing etc., complete and as directed by TWAD Board Officers.

Providing manhole cover of size 0.60 x 0.60M in RCC 1:1.5:3 with suitable reinforcement and 50x50x6mm MS angle fixed along edges

65 mm G.I. Pipe

50 mm G.I. Pipe

65 mm G.I. Pipe

90mm PVC Threaded coupler

63mm PVC Threaded coupler

65mm dia GI Tee

65mm dia GI bend 90

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

Refilling the foundation with excavated earth including consolidation as directed by the TWAD Board officers

Labour charges for GI pipe connection to the OHT, for inlet, outlet, overflow and scour arrangements

Providing Hand rails over the Roof slab by using 32 mm GI Pipe with 40mm x 6mm MS Flat and fixied with 12mm dia Fastner Bolt 75mm long

Providing Hand rails over the Standing Platform by using 32 mm GI Pipe with 40mm x 6mm MS Flat and fixied with 12mm dia Fastner Bolt 75mm long

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

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 600 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

Supply and Delivery of 160mm Dia Endcap

Supply & delivery of vertical type submersible 3 HP pumpset of discharge 50 lpm against a total head of 100 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 UPVC -Column Pipe

50mm GI bend (heavy)

50mm M.S.Clamp set

50mm GM Non return valve

50mm GM Gate valve

Labour charges for erection of 5 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

Earth work excavation in all types of strata for laying of pipes with the standard trench width as per Bd .Circular No. 28/ AE10/ P&D/ 2001/ dt. 01.10.2001 and JCE (P&D)/ Lr.No. LM/ AE10/ P & D/ 2001/ dt.22.11.2001

Supply of unplasticised PVC rigid pipes as per BIS 4985/2000 with ISI Marking to site of works

a. 90 mm OD HDPE Pipe

Conveying the PVC Pipes and specials to trench lowering into the trenches, laying to proper grade and alignment, Jointing with PVC coupler and specials fixing with Solvent cement paste and testing to the required pressure as per IS including conveyance etc

a.90mm OD HDPE Pipe

Refilling with excavated soil complying with standard specification in layers of 15 cm thick well rammed and consolidated after pipes and specials are laid and tested.

a. 90mm OD PVC Pipe 4 KSC

Hydralic Testing Charges 1m x 61.64/-

90mm PVC Bend page 26 ,sl.no-1

90mm x80mm PVC Threaded Coular

90mm x50 mm PVC Tee IS page 24

90mm End cap page 26

a.80mm GI pipe

a.80mm GI Elbow

b.80mm GI coupling

a.80mm dia Pipe

HSC Connection in PVC for Water Supply Scheme - Providing suitable dia non corrosive engineering plastic moulded Clamp Saddle with SS 304 of Thermo plastic elastomeric (TPE) material around - 20mm

Common Items for HSC Connection - Brass Ferrule as per IS 319 grade of sizes 15mm, 20mm and 25mm size and threaded as per IS:1554 BSPT, ISO:7-1 (20mm)15 mm

Poly Propylene compression Female Threaded Adaptor with metal insert of SS 304 as per standards ISO 14236 and Tested as per BS 6920 in WRC-NSF LTD, of sizes 15mm, 20mm and 25mm respectively. (20mm)

Poly propylene 90 Degree Compression elbow with compression joint at both ends as per standards ISO 14236 and Tested as per BS 6920 in WRC-NSF LTD, UK suitable for 20mm, 25mm and 32mm OD MDPE pipes - 20mm

Poly Propylene compression Female Threaded Elbow with metal insert of SS 304 as per standards ISO 14236 and Tested as per BS 6920 in WRC-NSF LTD, UK suitable for 20mm, 25mm and 32mm OD MDPE pipes - 20mm

Poly Propylene compression Male Threaded Adaptor with metal insert of SS 304 as per standards ISO 14236 and Tested as per BS 6920 in WRC-NSF LTD, UK suitable for 20mm, 25mm and 32mm OD MDPE pipes - 20mm

MDPE PE 80 PN16 Blue pipe as per standards ISO 4427 and Tested as per BS 6920 in WRC-NSF LTD, UK - 20mm

Earthwork Excavation for 20mm PVC pipe laying work including cost of Refilling work as per Standard Specifications 20B (in Rm)

Labour Charges for Laying & Jointing 20 mm pipe in Excavated Trench in Proper Camber

Supply & Laying & Jointing 20 mm PVC Elbow (Mould) BIS 7834/1975 Part V for Tap Connection

Supply & Jointing 20 mm SS/brass tap (Local rate)

U PVC ball valve with one side compression end and other side female end as per ISO 4422-4 and Tested as per BS 6920 in WRC-NSF LTD, UK,size : 20mm ODx1/2"ID, 25mm ODX1/2"ID and 32mm OD X 3/4" ID - 20mm

Labour charges for Drilling,Cutting and fixing ferrules in distribution line

Supply and delivery of the MS clamp and fixing in wall in open space with required screw etc

cutting MDPE Pipes and specials true axis and finishing the end complete

Provision for 50 mm Water meter - TWAD SOR PAGE 87 , 16 clause

Water meter Dirt BOX

Water meter erection charges

Provision for pit for Water meter 90X75cm

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}

PERIYATHAMBI SANTHI