Repair of Dam Spillway Glacis, guide wall of Uri-II Power Station

Amount

Providing and laying Gunny bags filled with local sand/ clay & tightened properly using sutli, carriage up to site, placing in position including supply of all material, labour, T&P etc. complete in all respect as per the direction of Engineer-in-charge.

Demolishing Cement Concrete manually/by mechanical means including disposal of material with in 50 meters lead: 1:3:6 or richer mix

The surface preparation of old concrete by way of running wire brush and chiseling for laying of concrete as per technical specifications including all stages and scaffolding etc. (complete finished item with all lead and lift).

Drilling of 32 mm dia holes for fixing of 25 mm dia steel anchor and 500 mm deep in old concrete by way of jack hammer or suitable equipment.

Providing and fixing of 25 mm dia for steel anchors bent to shape in drilled holes by using suitable means as per technical specifications.

Epoxy resin system of ( SIKA/FOSROC/BASF/PIDILITE/MC/HENKEL) make filling in drilled holes for anchoring as per technical specifications confirming to (ASTM C-881 type-II grade-2, class B+C) including the cost of all materials carriage,staging scaffolding and labour etc .complete finished item.

Supply and apply an Epoxy resin (Confirming to ASTM C-881 type-II grade-2, class B+C) based bond coat in between old and new concrete a coat of even and smooth (consumption of material may be more due to uneven surface/undulation) ( SIKA/FOSROC/BASF/PIDILITE/MC/HENKEL) as per technical specifications including the cost of all materials, carriage, and labour etc. complete finished item.

Providing and laying high performance concreteM65/A20 as per technical specifications, proper compaction, curing, including the cost of all materials, carriage, staging, scaffolding and labour etc. with all leads and lifts .complete finished item.

Providing and of laying of plywood shuttering for laying concrete with steel frames its fixing to the correct grade and profile including the cost of all materials carriage, drilling grouting and anchoring for hoisting the channels, scaffolding and labour etc. complete items within all leads and lifts

Dewatering in spillway glacies/bucket including ( motor pump, starter for pump, pipe , operator etc.) all the necessary arrangement made by the contractor own cost.

Providing and laying Superplasticizing (Confirming to IS: 9103 High range PCE based) retarding type admixture having chemical properties as per IS 9103-1999

Providing and laying Micro silica fume confirm to IS 15388-2003

Cement( Confirming to IS: 12269 53 grade High strength OPC) variation in concrete