Aravakurichi Block - Mines Fund 25 Percent -2022-23 - Construction of 10000 Liter OHT at Selivalasu Colony H/o.Senthamangalam East

Amount

Name of the Work : Construction of 10000 Liter OHT at Selivalasu Colony H/o.Senthamangalam East

Supply and cost of 63mm PVC pipe 6 KSC including all cost of materials 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 etc.,

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

Refilling the pipe line trench with excavated earth other than send complying the standard specification etc., complete

Earthwork excavation and depositing on bank with an initial lead of 10 m and lift of 2m in the following classification of soils as directed by TWAD Board Officers. - Hard stiff clay, block cotton, hard red earth shales, murram, ordinary gravel, stoney earth

a) First depth of 2m

For foundation - All Soil

SDR -- (Not Requiring Blasting)

SDR -- (Not Requiring Blasting)

SDR -- (Not Requiring Blasting)

Cement concrete 1:4:8 (One cement four sand and eight aggregates) using 40mm HBGS for leveling course including the cost of mixing concrete, ramming, curing etc. complete as directed by Departmental officers

RCC in M30 Grade using graded aggregates of HBGs excluding cost of reinforement, centering, shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishing, curing etc., complete as directed by TWAD Board officers

a)1.5m to 4.5m below GL

b) 0 to 1.5m below GL

c)For item 0m to 4.5m above GL

d)4.5 to 7.32m from above GL

e)7.32 to 10.98m from above GL

Supplying and erecting steel centering for sides and soffits including necessary supports and shuttering to the required height for RCC items using MS sheets or suitable size of BG 10 stiffened with welded MS angles of size 25mm x 25mm x 3mm of boarding,

Plane Surface

a) 0-3.3m Below & above G.I

b) 3.31m to 4.3m

Curved Surface

Square Columns

a)Below G.L & above G.L 0-3.30

Painting two coats with approved cement paint over one coat of priming coat over cement plastered exposed surface of the reservior including placing, vibrating with mechanical vibrator, finishing, curing etc., complete as directed by TWAD Board officers

Supplying fabricating and placing in position of HSD steel rods for reinforcement including the cost of steel and binding wire etc. complete and as directed by Departmental officers.

Supply and Delivery and fixing of outside MS Ladder of 45cm clear wide made out of 50mmx50mmx6mm MS angle for side and steps in 16mm MS plain rods etc.,

Providing and fixing of RCC inner access ladder in M30 using 20mm HBG stone for OHT including cost of reinfocement placing grill in position, centering etc.,

Supply and Fixing of PVC Vent cowl 110mm as directed by TWAD Board officers

Providing Cut stone set in CM 1:3 using well dressed cut stone supprting inlet pipe of size 0.30x0.30x0.15m for service reservoir etc.,

Providing manhole cover of size 0.60x0.60m heavy duty with frame and as directed by TWAD Board officers

Painting TWAD board emblem 1x1 on the SR with enamel paint as per Board's specification and as directed TWAD board officers.

Providing OHT Pipe connection

65mm dia GI pipe for inlet

65mm dia GI pipe for Over flow

50mm dia GI pipe for scour

80mm dia GI pipe for delivery

80mm dia GI pipe coupler

80mm dia GI pipe Flange

80mm dia GM Gate valve

80mm dia GI Bend

65mm dia GM gate valve

Labour charges for SR pipe connection separate sheet

Refilling the foundation with excavated earth including consolidation as directed by the TWAD board officers

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)

K PALANISAMY