Construction of 30000 Litre New OHT at Vilathur Habitation in Nedumbur Panchayat Under 14CFC Savings

Earth work excavation & depositing on bank with an initial lead of 10 metre & initial lift of 2 metre in Hard shift clay, stiff block cotton, hard red earth shales, murrum, gravel, stoney earth, and earth mixed with small size boulders and hard gravelly soil (SS 20B) for foundation including shoring, strutting, baling out water providing danger light wherever necessary depositing the surplus earth on bank and other incedential charges etc., complete and as directed by TWAD board Officers (First depth of 2m From 0 to 2 m below GL- In hard stiff clay, stiff black cotton soil, hard red earth, sales, murrams, gravel, stoney earth, earth mixed with small sized boulders and hard gravelly soil S.S.20B )

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

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 Mix M30 grade using 10mm & 20mm Hard blue granite Broken stone (machine crushed) excluding the cost of RTS rods for reinforcement and centering, strutting, shuttering but including cost of all materials mixing, laying, Vibrating the concrete with mechanical vibrators, ramming, consolidating, finishing and curing etc., Complete and as directed by the TWAD Board Officers. (For items 1.5m to 4.5m below GL)

For items 0 m to 1.5m below GL (For Column Up to GL , For GL brace, For Base slab of landing area and For Beam of landing area)

For items 0 m to 4.5m Above GL (Columns from GL to 2.715 m, For brace @ 2.715m, For Base slab of landing area, For Beam of landing area, Column 3.015m to 4.50m)

For items 4.50 m to 7.32 m Above GL (Column 4.50m to 5.58m, For brace at 5.58m, For Base slab of landing area, For Beam of landing area, Column 5.88m to 7.32m)

For items 7.32 m to 10.98 m Above GL (Column 7.32m to 8.445m, For brace at 8.445m, For Base slab of landing area, For Beam of landing area, Column 8.745m to 10.98m)

For items 10.98 m to 14.64 m Above GL (Column 10.98m to 11.45m, For Grid Beam @ 11.45m, For Floor Slab, Landing slab for MS ladder, Beam portion, For Haunches, For Side Wall 11.85 m to 14.64m)

For items 14.64 m to 18.30 m Above GL (For Side Wall 14.64 m to 14.75m, For Roof Slab @ 14.75m, Deduction for Manhole cover, Cover Slab)

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, Footing, For GL Brace bottom, For GL Brace Outter sides, For GL Brace inner sides, Base slab for landing area, Beam sides, Cover Slab Alround )

PLANE SURFACE GL to 3.30m (For Brace bottom at 2.715m, For Brace sides at 2.715m Outter, For Brace sides at 2.715m Inner, Base slab for landing area, Beam sides, Bottom of Roof slab @ 14.75m, D/f Wall Junction, D/f Manhole, ADD sides of manhole)

PLANE SURFACE 5.30 m to 6.30m (For Brace bottom at 5.58m, For Brace sides at 5.58m Outter, For Brace sides at 5.58m Inner, Base slab for landing area, Beam sides)

PLANE SURFACE 8.30m to 9.30m (For Brace bottom at 8.445m, For Brace sides at 8.445 m Outter, For Brace sides at 8.445 m Inner, Base slab for landing area, Beam sides)

PLANE SURFACE 11.30m to 12.30m (@ 11.45 Floor Slab bottom, Floor Beam outter side, Floor Beam inner side, For landing slab bottom, Beam sides)

Square Column Below GL and upto 3.30m above GL (Column below GL, Ground level to 3.30m GL to 2.715m and 3.015m to 3.3m)

Square Column- 3.30m to 4.30m ht

Square Column- 4.30m to 5.30m ht

Square Column- 5.30m to 6.30m ht

Square Column- 6.30m to 7.30m

Square Column- 7.30m to 8.30m ht

Square Column- 8.30m to 9.30m ht

Square Column- 9.30m to 10.30m ht

Square Column- 10.30m to 11.30m ht

Square Column-11.30m to 11.45m ht

Curved Surface -From 11.30m to 12.30m (@ 11.45 Floor Slab Sides, Side wall outer @ 11.85, Haunch (slanting) inner @ 11.85, Side wall outer @ 12.00)

Curved Surface -Side wall outer @ 12.30, Side wall inner (Side wall outer @ 11.85, Haunch (slanting) inner @ 11.85, Side wall outer @ 12.00))

Curved Surface -From 13.30m to 14.30m, Side wall inner (Side wall outer @ 11.85, Haunch (slanting) inner @ 11.85, Side wall outer @ 12.00))

Curved Surface -From 14.30m to 15.30m, Side wall inner (Side wall outer @ 11.85, Haunch (slanting) inner @ 11.85, Side wall outer @ 12.00))

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. (For Column, Brace at 2.715m, 5.58m & 8.445m, D/f Brace faces, Floor beam outer face Inner face, Floor slab bottom, Floor slab Sides, Floor slab top projection, Side wall outer Roof slab sides, Roof slab sides bottom projection, Landing Bottom, Landing Sides )

Fabrication, supply, delivery and fixing outside MS ladder of 45cm wide made out fabrication, supply , delivery and fixing of outside MS ladder of 45cm wide made out 50 x 50x 6mm MS angle for sides and steps in 16m MS plain rods fixed at 30cm centre to centre welded, jointed etc., providing with suitable side supports, clamps, and locking attangements provided with one coat of red oxide paint for providing access to roof top of 30,000 lit capacity OHT of sutable inclined length, incluidng bottom anchorage and transportation and all labour charges etc., complete

Providing and fixing of RCC inner acces ladder in RCC 1:1 1/2:3 (one cement and one and half sand three aggregate) using 20mm HBG stpme for OHT including cost of reinforcement, Placing grill in position, consisting of two Nos of ve -ical post of 10cm x IScm directed by TWAD Board officers. Providing PVC ventilating arrangements mosquito proof nylon net with 110mm PVC pipes and cowl and. providing cut stone slab in CM 1:3 including all labour charges etc., complete

Providing PVC ventilating arrangements mosquito proof nylon net with 110 mm PVC pipes and cowl and including all labour charges etc.,

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 Ø GI pipes for inlet connection )

65mm Ø GI pipes for over flow &

rain water harvesting pipe

65mm Ø GI pipe for delivery pipe

65mm Ø GI pipe for Scour pipe

63 mm Ø PVC threaded coupler

65mm Ø GI Tee

65mm Ø GI Bend

65mm Ø GI coupling

65mm Ø GI Flange Set

65mmx 50mm GI Reducer

65mm Ø GM Gate valve

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.

OHT Handrail Arrangements etc., (32MM GI Pipe, 32MM GI Vertical Pipe)

25MM GI Pipe

Ladder Lock Door With Lock and Key arrangements

OHT chlorination Arrangements

Provision for Plat Form

Provision for Pumping main

Provision For Name Board

Quality Control Charges

Provision For Photo Charges

Contingencies and P.S. other charges etc.,

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}