Construction of 60000 ltr OHT with 12m Stage at M.G.R. Nagar H/O Seerapalayam in Madukkarai Block of Coimbatore District Package No TN02-170 of Coimbatore District under NRuM-Phase I 2016-2017 to 2018-19 Savings and Additional Fund Scheme

Construction of 60000 ltr OHT with 12m Stage @ M.G.R. Nagar H/O Seerapalayam Panchayat

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

Filling the sides of foundation with M-sand in layers of 15cm thick,watered well rammed and consolidated etc. complete complying with standard specification and as directed by the TWAD Board Officers.

Cement concrete 1:4:8 (one cement, four sand, and eight course aggregate of 40mm size hard blue granite broken stone ) for levelling course including the cost of mixing, placing the concrete in position, consolidating finishing and curing etc, complete

For Footing

Steel Centering, soffits of RCC works including strutting and shuttertting Charges etc. complete for the following

Plane surface

Below G.L

above G.l upto 3.3m ht

Square column

0 to 3.30m above and below G.L.

0 to 3.30m above G.L.

Curved surface

Supplying, fabricating and placing in position of RTS grills for reinforcement for various members including cost of steel for all RCC works as directed by TWAD Board officers. The rate to include the cost of binding wire also.

RCC M30 concrete using 10 mm and 20 mm HBG sstone excluding steel, centering,chargesbut including mixing and curing etc complete.

For items 1.5m to 4.5m below GL

For items 0 to 1.50m below GL

For items 1.00m to 4.50m above GL

For items 4.51m 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

Painting two coats with approved cement paint best quality over the outer wall surface including cost of cement paint etc. complete complying with standard specification as directed byTWAD Board officers..

Providing outside M.S Ladder of 45cm wide made out of 50x50x6mm MS angle for sides and steps fixed at 30 cm centre to centre etc.and providing of Landing slabs with hand rails using 32mm GI pipe and 40mmx6mm MS flat etc. as per approved design

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.,

Providing PVC Ventilation arrangement 2 nos mosquito proof nylon net with 65 mm GI pipe and spls as directed by the TWAD Board officers 1 m 65 mm Gi pipe, 4 nos 65 mm Gi elbow , 4nos cutting and 8 nos threading and 2 nos 65 mm GI tee

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

Provision for pipe connection arrangements for inlet, outlet scour and overflow etc. including 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

65mm Ø GI pipes for inlet 1 x 1 connection

65mm Ø GI pipes for over flow

65mm Ø GI pipes for scour pipe1 x1

80mm Ø GI pipes for Outlet delivery Pipe 1 x 1

65mm Ø GI Tee

65mm Ø GI Bend

65mm Ø GI Coupling

80mm Ø GI Coupling

65mm Ø GI Union

80mm Ø GI Union

65mm Ø GI Elbow

65mm Ø GM Gate valve

85mm Ø GM Gate valve

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 and as directed by TWAD Bd officers

Platform

Earth work excavation for foundation in all clauses of soils and sub soils to full depth as may be directed except in hard rock requiring blasting but inclusive of shoring strutting and boiling out water whenever necessary et complete complying with stand

Cement concrete 1:4:8 mix ( one cement four sand and eight aggregate)using 40mm gauge hand broken granite tone jelly for foundation including dewatering if found ecessary and laid in layers of not more than 15 cm thick and compacted,etc., complete comply

Supplying & erecting centering for sides & sofflots including necessary supports & strutting upto 3.29m height for plane surface in all cross bracings using mild steel sheeets of size 90x60cm & 19 gauge stiffened welded with steel angle of size 25x25x3mm for boarding kid over silver oak joists (Country Wood) of size 10x6.5cm spaced @ about 90cm c/c and supported by cosuring props of 10-13 cm dia, spaced @ 75cm c/c etc., complying with standard specifications and as directed by the departmental officers. Rate of 10m2 for the following items.

Cement concrete 1:2:4 mix ( one cement two sand and four aggregate)using 20mm gauge hand broken granite tone jelly for foundation including dewatering if found ecessary and laid in layers of not more than 15 cm thick and compacted,etc., complete comply

Extension of Pipeline

Earth work excavation for foundation in all clauses of soils and sub soils to full depth as may be directed except in hard rock requiring blasting but inclusive of shoring strutting and boiling out water whenever necessary et complete complying with standard spc. 0.60m width X 1.05m depth

63 MM PVC 6 KSC PIPE -

Lowering PVC rigid pipes & GI Pipesand specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste as per standard specifications and as directed by the TWAD Board Officers.

Refilling with excavated earth (other than sand) in respect of following sizes of pipes watered well rammed and consolidated etc. complete complying with standard specification for filling the trenches after the pipes and specials are laid, jointed and tested and as directed by the TWAD Board Officer.

Provison for Name board

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