Construction of 10000 Lr OHT(7.5 M Stage Ht) at Thakkiripatti in Thodaiyur Pt.

Amount

Construction of 10000 Lr OHT(7.5 M Stage Ht) at Thakkiripatti in Thodaiyur Panchayat.

Earthwork excavation and depositing on bank with an initial lead of 10m and lift of 2m in hard stiff clay, stiff black cottonsoil, hard red earth , shales, murams,gravel, stoney earth and earth mixed with small boulders and hard gravelly soil (SS 20B) including shoring, and strutting baling out of water wherever necessary and all other incidental charges etc. complete as directed by TWAD Board Officers.

First depth of 2m

Second depth of 1m

Supply and filling the foundation with M.sand in layers, of not exceeding 15 CM thick complying with standard specification including consolidation and watering etc complete as directed by TWAD Board Officers.

Plain cement concrete 1:4:8 (One cement, four sand and eight course aggregate) using 40mm size hard granite broken stone for foundation including mixing concrete laying, consolidation, curing etc. complete as directed by TWAD Board Officers Beyond 1.5m-4.5m below G.L For foundation

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

Beyond 1.5m to 4.5m below GL

Beyond 0 to 1.50m below GL

0m to 4.5m above GL

Above 4.51m to 7.32 m above

Above 7.32 m & up to 10.98 m from 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 BG 10 stiffened with MS angle of size 25 X 25 X 3mm for boarding laid over I type M. S. Truss of size 25x25x3 mm space at about 90cm c/c and supported by 40 mm GI pipe (Medium)spaced at 75cm c/c etc., complete as directed by TWAD Board officers.

PLANE SURFACES

Below G.L.

Upto 3.30 m ht

Curved Surface

Square column

Ground level to 3.30 m

Applying two coats of cement paint of approved quality and colour over one coat of primer over plastered exposed surface of the reservoir including one coat of primer ,cleaning /preparing the surface, curing and complete as directed by the TWAD Board Officers.

Supply, fabricating and placing in position of RTS rods for reinforcement at all heights for all RCC works including cost of steel, binding wire, labour charges etc. complete as directed by TWAD Board Officers.

Supply and Delivery and fixing of outside MS Ladder of 45cm clear wide made out of 50mm x 50mm x 6mm MS angle for sides and steps in 16 mm MS plain rods fixed at 30cm C/C welded jointed etc ., providing with suitable side supports, clamps and locking arrangements provided with two coats of approved enamel paint over one coat of red oxide paint , for providing access to roof top of OHT of suitable inclined length, including bottom anchorage and transportation and as directed by TWAD Board officers. The rate includes concrete bed block in CC 1:2:4 using 20mm HBGS at top and bottom of suitable size with necessary anchor bolts (SOR 19-20/ Pg 90/Item 19.0)

Supply, delivery and fixing of RCC ( M 30 ) design mix using 20mm and 10 mm size hard granite broken stone (machine crushed) inside access ladder 0.60m wide made with steps at 45 cm interval from roof slab to floor slab level of the S.R including cost of reinforcement, fabrication, labour charges, centering charges colour washing with cement paint of approved colour and quality in two coats etc. complete and as directed by the TWAD Board Officers.

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

Providing GI pipe connection to the OHT along with water meter, flow control valve and steel protection box ( vide separate sheet)

65mm dia GI pipes for inlet conection

65mm dia GI pipes for overflow & rainwater harvesting pipe

50mm dia GI pipes or scour pipe

65mm dia GI pipe delivery pipe

90mm dia PVC Thraded coupler

63mm dia PVC Thraded coupler

65mm dia GI Tee

65mm dia GI Bend 90

65mm dia GI Bend (short)

65mm dia GI Coupler

65mm dia GI Union

65mm dia GI Elbow

50mm dia GI Union

50mm dia GI Elbow

65mm dia GI Tee

65x50mm dia GI Reducer

75x63mm dia PVC Reducer

65mm dia GM gate valve

50mm dia GM gate valve

63mm PVC 4ksc pipe

Refilling the sides of foundation of Service Reservoir with excavated earth complying with standard specification for filling the foundation including watering consolidation etc. complete and as directed by the TWAD Board Officers.

Providing GI Pipe connection to the OHT along with water meter ,Flow control valve ,and steel protection box (Vide separate sheet )

Painting or the SR With enamel paint for name board as per specification

RAINWATER HARWESTING FOR SOAK PIT

Earth work excavation in all clauses of soil such as hard stiff clay, hard gravelly soil as per SS 20 B for narrow foundation

Filling with M.sand including cost and conveyance of sand to work site including all labour charges for charges for filling etc, complete.

Supply ,delivery and filling of 20mm broken stonee including all labour charges for charges for filling etc, complete.

Supply ,delivery and filling of 40mm broken stonee including all labour charges for charges for filling etc, complete.

Cement concrete 1:4:8 mix using using 40 mm HBG metal including cost and conveyance of all materials to site including all labour charges for filling etc complete.

Brick work in cement mortar 1:5 (one cement and five sand) using country bricks ground moulded of size 23 x 11 x 7 cm. For the following including curing etc. complete complying with standard specification

Cement concrete 1:2:4 mix using using 20 mm HBG metal including cost and conveyance of all materials to site including all labour charges for filling etc complete.

Plastering with cement mortor 1:5 mix to 12mm thickness including cost and conveyance of all materials to site including all labour charges for filling etc complete.

Supply and fixing of 4" PVC Pipe etc., completed

Supply and fixing of 900mm dia RCC Coller

Provision for conveyance of 900mm dia RCC Coller

Labour charges for fixing 900mm dia RCC coller & Filling 20mm jelly and 40mm broken jelly etc., completed

Pipeline for Delivery line

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for aying of pipes for water supply and sewerage works in the following type of soils as directed by Departmental officer Hard stiff clay, stiff black cotton, hard red earth, shales,murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil.SS20B

Supply and delivery of following PVC Pipes 63mm OD PVC 4KSC Pips

Lowering PVC rigid pipes and specials to trenched laying to proper grade and alighnment, jointing with PVC coupler with cement Paste. 63mm OD PVC 4KSC Pipes

Refilling the excaveted soil filling for pipeline works charges

Water meter with Dirt Box

Erection charges for Water Meter

Provision for Photograph

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}

BALAJI GOVINDARAJAN