Construction of 30,000 litrs OHT at Eguvarapalayam Medu in Eguvarapalayam Panchayat in Gummidipoondi Panchayat union

Amount

Construction of 30,000 litres OHT borewell , Pump set and pipe line at egavarapalaym medu in eguvarapalayam Panchayat

Earth work excavation below G.L. and depositing on bank within an initial lead of 10.00 m and an initial lift of 2.00 for the following classification of soil

First depth of 2m From 0 to 2 m below GL

Second depth of 2m From 2m to 4 m below GL

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

PCC 1:4:8 using 40mm HBG metal including mixing curing etc.,below 1.50 m from GL.

RCC in M 30 mix using10mm& 20mm size HBG metal excluding cost of reinforcement and centering but including cost of mixing, laying, curing, finishing etc.complete

Below 1.5m from GL

0m to 1.50m below GL &upto 1m AGL

1m to 4.50m above GL

4.50 m to 7.32 m above GL

7.32 m to 10.98 m above GL

10.98 m to 14.64 m above GL

14.64 m to 18.30 m above GL

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

Plain Surface

Below GL

From 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

Square Column:

Square Column Below GL and upto 3.30m above GL

3.31m to 4.30m ht

4.30m to 5.30m ht

5.30m to 6.30m ht

6.30m to 7.30m ht

7.301m to 8.30m ht

8.30m to 9.30m ht

9.30m to 10.30m ht

10.30m to 11.30m ht

11.30m to 12.30m ht

Curved Surface - upto 3.30m ht.

11.30m to 12.30m ht

12.30 m to 13.30 m ht

13.30 m to 14.30 m ht

Supply, fabrication, placing in position of steel rods cutting tying etc. complete including cost of reinforcement RTS rods.

Painting two coatsto the exposed surface of SR using cement paint

Providing M.S Ladder of 45cm wide made out of 50x50x6mm MS angle for sides and steps in 16mm MS plain rods fixed at 30 cm centre to centre 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 complete

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

Providing cut stone slab in CM 1:3 of size 0.3 m x 0.3 m x 0.15 m 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

Painting emblem on the SR with enamel paint as per Board's specification and as directed by

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 enam

Inlet and Overflow

65mm GI pipes for Inlet and Outlet P40-5.0-7

65mm GI pipes for over flow & rain water harvesting pipe P40-5.0-7

50mm GI pipes for scour pipe P40-5.0-6

65mm GI pipe for delivery pipe P40-5.0-7

90mm PVC Threaded coupler P27-2

63mm PVC Threaded coupler P27-1.5-10

65mm dia GI Tee P44-5.1B-2

65mm dia GI bend 90 P44-5.1B-9

65mm dia GI bend (short) 90 P44-5.1B-9

65mm GI coupler P44-5.1B-3

65mm GI union P44-5.1B-10

65mm GI Elbow P44-5.1B-1

50mm GI union P-44-5.1B-10

50mm GI Elbow P44-5.1B-1

65mm GI Tee P44-5.1B-2

65x50mm GI reducer P41-5.1q-15

75mmx63mm PVC reducer P25-1.4-2

65mm GM gate valve P45-5.2-1

50mm GM gate valve P45-5.2-2

90 mm PVC 4Ksc Pipe P21 -1.0 -3

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 including cutting and threading, earth work excavation & refilling.

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

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 and as directed by TWAD Bd officers

Conducting Geo Physicaly Charges and Transporting

Drilling of 12" dia. Vertical Borewell so as to have a finished size of 6" dia. Borewell in Boulders area to any required depth as decided by the TWAD Board officers by direct rotary mud circulation method using contractor's rigs, tools, labour drilling mud water required etc. for drilling various places as directed by the Departmental officers ( Water available with in a lead of 1.5 K.M) upto 60m depth below G.L.

Reaming from 150mm dia pilot bore to 300mm dia bore well P301- 8f

Labour Charges for inserting the casing pipes assembly ( with slots or without Slots) in the drilled hole including welding the joints etc., complete and supplying and packing the angular space with pebbles if size and quality as approved by the Executive Engineer ,TWAD Board. The pebble should be of approved specification and stacked for premeasurement .165mm / 168mm dia casing pipes assembly

Charges for developing the borewells for the entire depth with suitable Air Compressor (minimum 8 Hours) including transportation charges for Air Compressors as directed by the TWAD Board officersand conducting yeild test V notch method. Using 300 cfm. compressors.

Supply and delivery of unplasticised plain PVC medium casing pipes of the following diametres in 3 metre lengths both ends treaded as per IS 12818 / 1992 and as amended from time to time to suit shallow bore wells upto 60 metres depth with ISI marking including Loading unloading, freight, transit, insurance, excise duty sales tax etc., complete DN 165/168mm PVC plain casing pipes

Supply and delivery of unplasticised plain PVC ribbed screen pipes of the following diametres in 3 metre lengths both ends treaded as per IS 12818 / 1992 and as amended from time to time to suit shallow bore wells upto 60 metres depth with ISI marking including Loading unloading, freight, transit, insurance, excise duty sales tax etc., complete DN 165/168 mm PVC slotted casing pipes

Supply and delivery of 150 mm dia end cap including taxes etc., complete

Supply and delivery of 5.0HP Three Phase submersible pump set suitable for 150mm dia borewell as per Specifications with ISI marks suitable for duty condition of 75 Lpm x 100 m Head (P-88,Sl-30)

Laying and joining of following sixes of 90 mm PVC pipe including the cost of , lowering of PVC pipes in to the trenches, laying in to proper grade and algnment and refilling the excavated earth atfter the GI pipes are laid and including the const of GI pipes etc, completed.

90 mm PVC Bend P26-1.5-3

90mm PVC Threaded couple

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 (Both Construction and Maintenance) above this row in column "BB" for all works in this package} (Refer Clause 13.2 & 13.3 of Section 2 of Instruction to Bidders (ITB) of SBD)

T MASTHAN (BID ID -1134387)