Implementation of Jal Jeevan Mission under CWSS to Construct 60000 lit OHT, Providing FHTC and Distribution line to 5 habitations in Vayalur Village Panchayat in Chengalpattu District

Amount

PART I: Providing of FHTC and Construction of 60000 Ltrs OHT 12.00M STG.HT Including Foundation and Ditribution line to Pudupattinam Village In Pudupattinam Panchayat In Thirukazhukundram Panchayat Union. Estimate Amount : Rs.61.86 Lakhs

OHT 60000 Ltr

Earthwork excavation and depositing on bank with an initial lead of 10m and lift of 2m in the following classification of soils 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

1st depth OF 2M 0m to 2m below GL

2nd depth OF 1M

Sand filling for foundation with clear river sand including cost of sand, watering ,ramming and consolidation etc complete as directed by TWAD Board officers

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for foundation and footing including mixing, placing, ramming ,finishing curing etc. complete in accordance with standard specification and as directed by the TWAD Board Officers.

Reinforced cement concrete 1:1.5:3 mix using 20mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying, and curing etc complete

Below 1.5m TO 4.5M from GL

0m to 1.50m below GL

0m to 4.50m above GL

4.50m to 7.32m above GL

7.32m to 10.98m above GL

10.98m to 14.64m above GL

14.64m to 18.30m above GL

Supply and erection of steel centering, shuttering for soffits and sides including necessary supports and strutting for all RCC works using MS sheets of suitable size of BG10 stiffened with MS angle of size 25 X 25 X 3 mm for boarding laid over I type MS Truss of size 25 X 25 X 3mm about 90cm c/c and supported by 40mm GI pipes (Medium) spaced at 75cm c/c etc complete and as directed by the TWAD Board Officers.

Plain Surface

Below GL

From ABOVE GL to 3.30m

From 5.30m to 6.30m above GL

From 8.30m to 9.30m above GL

From 11.30m to 12.30m above GL

Square Column

Square Column Below GL and Upto 3.30m above GL

square column 3.31 to 4.30

7.31m to 8.30m ht

8.31m to 9.30m ht

9.31m to 10.30m ht

10.31m to 11.30m ht

11.31m to 12.30m ht

Curved Surface - Upto 3.30m ht

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.( The steel should conform to the relevant ISspecification and supplied with test certificate Fe. 415 grade as per IS specification No.1786/1985 and as amended from time to time) delivery at site of work including loading, freight, unloading, stacking, transit insurance charges, taxes etc. complete.and as directed by the TWAD Board officers.

Painting two coats with approved cement paint over one priming coat of white cement over cement plastered wall surface and ceiling including cleaning preparing the surface and curing etc., complete (using cement paint of colour as approved by the Departmental officer) and as directed by the TWAD Board officers.

Supply delivery and fixing of staircase with M30 grade concrete for landings, MS ladder of 0.45m wide using 50x50x5mm MS angles for sides and steps at 0.30m c/c, with GI pipe handrails using 32mm GI pipes for railings and verical support at 0.45m C/c, MS flats (Size 40mm x 5mm ) for horizontal ties at 0.3m c/c and at bottom with Anchor fastener bolts of size 12mm x 75mm including cost of materials labour for fabrication of handrails fixing, painting etc., complete.

supply delivery and fixing of hand raillings over the roof slab outer alround with railing using 32mm GI Pipes and verticals using 32mm GI Pipe to a height of 900mm at 450mm spacing and with horizontal and bottom ties using MS Flat of size 40mm x 5mm at 300mm c/c including with anchore bolts of size 12mm x75mm

Providing and fixing of RCC inner access ladder in RCC 1:11/2 :3 (one cement,one and half sand and three aggregate) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centring,shuttering charges, mixing concrete,curing etc. to required height and clear width of 45 cm consisting of 2 nos. of vertical post of 10 cm x 15 cm and step slab of 25mm x 25mm etc.complete and as directed by TWAD Board Officers.

Providing PVC ventilating arrangements mosquito proof nylon net with 110 mm PVC pipes and cowl and as

Providing cut stone slab in CM 1:3 and as directed by RD 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 and as directed by

Pipe connection arrangements for inlet,outlet,scour and overflow etc. including cost of pipes,specials,valve,labour charges for lifting, aligning, cutting, threading ,fixing and painting of GI pipes with two coats of approved quality enamal paint etc. complete as detailed below.

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

65mm GI Coupler

65mm GI Union

50mm GI Elbow

50mm GI Union

50mm GI Elbow

65mm GI Tee

65x50mm GI Reducer

75x63mm PVC Reducer

65mm Gate Valve

50mm GM gate Valve

63mm PVC 4Ksc Pipe

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

HSC Connection in DI Mains for Water Supply Scheme - Providing suitable dia PVC Saddle 63x20mm ISI MARKING

Common Items for HSC Connection - PBrass Ferrule as per IS 319 grade of sizes 15mm size and threaded as per to suit the corresponding bore sizes of 15mm dia size in the saddle Connection as per ISI std.

Provision for flow control valve with ISI make 25X20mm

Provision for Female Threaded Adaptor with metal ISI make - 10ksc 25x20mm

90 Degree Compression elbow with compression joint at both ends as per standards 25x20mm ISI MARKING

20mm PVC Pipe 10ksc as per standards ISI MARKING

Provision for Male Threaded Adaptor with metal with ISI make - 10ksc25X20mm

Supply and jointing Brass Tap ISI Make\

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

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

Provision for Stand post 0.10x0.15x1.20m and Platform 0.45x0.45x0.10m

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}

V.DHEENATHAYALAN