Construction of 60000 ltr OHT and Extension of Pipeline at Senapadi in Nerur North Panchayat

Amount

Name of the Work : Construction of 60,000 ltr OHT and Extension of Pipeline at Senapadi H/O Nerur North

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

First depth of 2m

Second depth of 2m

Cement concrete 1:4:8 (one cement four sand and eight aggregates) using 40mm HBGS for levelling course for foundation including the cost of mixing concrete, ramming For foundation

RCC in M20 GRADE using graded aggregtes of HBGe excluding cost of reinforcement, centering. shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, For items 1.5m to 4.5m below

For items 1.5m to 4.5m below GL

For items 0 to 1.50m below GL

For items 4.51m above GL

For items 4.50m 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 14.64m upto 18.30m 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 and as directed by TWAD Board Officers.

PLANE SURFACES

Below GL

Above GL to 3.30m

CURVED SURFACE

Curved Surface - 11.30m to 12.30m from floor Level

Curved Surface - 12.30 to 13.30m from floor Level

Curved Surface - 13.30 to 14.30m from floor Level

Curved Surface - 14.30 to 15.30m from floor Level

Curved Surface - 15.30 to 16.30m from floor Level

SQUARE COLOUMN

Painting two coats using approved cement paint including cost of one coat of white washing, cost of all materials, labour charges, etc., complete and as directed by TWAD Board Officers.

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

Supply delivery and fixing of hand rail with Gl pipe handralls using 32mm GI pipes for railings and verical support at 0.45m C/c, MS flats (Size 40mm x 5mm) for 8 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..

Supply delivery and fixing of hand rail with Gl pipe handrails using 32mm Gl 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 OHT Inlet 9 Outlet Arrangements (Sub Estimate)

65mm dia Gl pipe

75mm dia PVC pipe

65mm GM Gatevalve

65mm Gl Flangeset

65mm Gl Elbow

65mm Gl Coupling

65mm Gl Nipple 0.30m

75mm PVC FTA

75mm PVC Bend

75mm PVC Elbow

75mm PVC Tee

75mm PVC Coupling

90mmX75mm PVC Reducer

75mmX63mm PVC Reducer

Providing and fixing of RCC Inner access ladder in RCC 1:1.5:3 (one cement, one and half sane! and three aggregates) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete

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

Providing Cut stone set in CM 1:3 (one cement and three sand) using well dressed cut stone supporting inlet pipe of size 0.30 x 0.30 x 0.15m for service reservoir etc...complete as per

Supplying and fixing in position of 0.60 x 0.60m water tight Cl manhole frame and cove of approved pattern at the roof slab and as directed. The manhole frame and cover should be of light duty and confirming to IS: 1726-1974

Painting TWAD Board emblem 1 x 1 on the SR with enamel paint as per Board's specification and as directed by TWAD Board officers

Providing rain water harvesting structure

Supply and cost of 110 mm PVC pipe 4 KSC including all cost of materials and transport charges etc .,complete

Earth work excavation for 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 etc complete complying with standard spec

Laying and jointig of P.V.C and G.I pipe into the trench with proper grading and alignment and all labour charges etc,,complete

Refilling the Pipe line trench with excavated earth other than sand complying the Standard specification etc,,complete

GST Amount for providing Service to Government Contract Works for the above ConstructionWorks. GST Amount is the Total GST Amount for overall quoted amount 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)

DURAISAMY DURKKAIYAPPAN (BID ID -1425383)