Repair of exposed reinforcement with cementitious mortar in S7 pier in the penstock area including scrapping and painting of dewatering pipes from drainage gallery sump and outlet and other steel painting works at TLD-IV PS Kalijhora

Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/ structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-charge. Note:- (1) The elevational area of the scaffolding shall be measured for payment purpose. (2) The payment will be made once only for execution of all items for such works.

Removing old paint from blistered painted surface of steel or other metal by chipping including scraping and cleaning and exposing the original surface.

Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc.

Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary:(b) On steel or other metal surface : With super gloss (hi-gloss) -(iv)Two coats (with any shade except white)

Providing and applying high performance cementitious R4 mortar EN1504-3 mortar on exposed /eroded concrete surface as per technical specification (complete finished item with all leads and lifts).

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