Repair of glacis up stream of radial Gate sill beam by application of HPC Concrete in Bay No S1 S2 S3 S4 and providing Steel liner up stream of radial gate sill beam in Bay No S4

Amount

Random Earth fill for making of approach road in the Plunge pool area including excavation of fill material from plunge pool/Adit-I area, transportation, dumping and dozing as per direction of Engineer-in-charge.

Providing and laying Non Pressure NP-4 class (Heavy duty) R.C.C. pipes including collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete. 1000 mm dia RCC pipes.(Laying by manual/ machanical means)

Providing and Laying first class brick masonry in one and half brick thick wall in superstructure with 1:6 cement mortar (1 cement, 6 clean coarse sand) as per the direction of Engineer-in-charge including curing etc. all complete.

Providing and Laying 15mm thick cement plaster of specified mix in single coat including finishing even and smooth and curing etc all complete. 1:4 mix.

Providing and applying epoxy mortar over leached, honey combed and spalled concrete surface and exposed steel reinforcement complete as per Technical specification

Providing and fixing of 315MM dia HDPE Pipe (PE 80 PN 2.5 ) for dewatering all complete as per direction of Engineer-in-charge.

Providing and Laying High Performance Concrete of approved mix design M70A20 or more with OPC-53 Grade, silica fume, super plasticizer or other admixture of reputed make to improve durability and strength as per the direction of Engineer-in-Charge, proper compaction, curing including cement/slurry, including the cost of materials, carriage, and labour, etc with all lift and lead complete.

Providing and placing of sand filled HDPE bags as required for maintenance of Dyke cum road, Channelize of water, minimizing of seepage etc as per direction of EIC.( Each bag of 50Kg).

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect. Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make.

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Drilling of 50 mm dia. hole by diamond core cutter of Hilti make/equivalent upto depth of 1.00M, Providing and fixing of 36 MM dia, 1.50M length, threaded anchors with double Nut & washer as per per drawing direction of Engineer-in-Charge.

Providing and applying Hilti make RE-500 grout (Chemical) with all accessaries for fixing of 36 MM dia, 1.5 m length, threaded anchors for fixing stopper beam as per direction of Engineer -in-Charge.

Dewatering seepage water from the sump by 50 HP electrical dewatering pumps including installation, erection of pumps and pipes etc.

Providing, fabrication and fixing steel liner in Spillway Glacis of Dam of Steel plate 32 mm thick of E-410 (minimum) grade, Confirming to IS-2062:2011, Providing, fabrication & fixing of Stopper beam builtup with steel plates of various thickness in glacis and joining of the same with steel liner and joining of steel liner with existing radial gate sill beam and as per drawing and specifications.

Drilling of 25mm dia hole by diamond core cutter of Hilti make/equivalent upto depth of 0.50M, Providing and Fixing of 16mm dia, 1.30m length dowels as per drawing and as per direction of Engineer-in-charge.

Providing and applying Hilti make RE-500 grout (Chemical)/equivalent with all accessories for fixing of 16 MM dia, 1.5 m length, threaded anchors for fixing stopper beam as per direction of Engineer -in-Charge.

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