Repair to the walls and roof in Substation -I,II,III and Generator Room at EFA

Roughening the surfaces of old concrete floors by picking , sweeping , cleaning and washing down with water for removing dust etc.

M&L for Plain Cement concrete type B-0, 1:2:4 40mm thick (25mm thick Add for each extra 15mm) (12.5mm graded aggregate).

M&L for Screed bed or bedding layer of mortar 15 mm thick for laying floor finishes.

M/L for priming surfaces (except felt) and applying normal treatment(for moderate conditions). Additionally Info: with modified bitumen (STP-Shalicoat TY-32 absorved in the Concrete or Plaster Surfaces @ 0.3 KG /SQM) for applying APP based polymeric membrane.using glass fibre base bitumen felt, grade (2)

M/L for APP based polymeric membrane minimum weighing 3Kg./SQM and minimum 3mm thick reinforced with polyster non wove fabric(wt. not less than 150 gms/SQM) land on primed surface by forced application complete all as specified.

M/L for Two Coats of heat resisting paint over polymer membrane surface Surfaces of any description wood, steel, iron, concrete, brick, stone, etc., exceeding (Additional info i.e. Super Silver Shild paint & shall be applied @ 250 grams/SQM as recommended by the manufacturer) exceeding 10cm in width or girth.

S & F for PVC (SWR) pipes double socketed in any length with rubber ring joints fixed to walls Bore in 110 mm.

Cutting chases, pinning in. making good to facings where required and pointing in cement mortar 1:3 to ends or edges of landings, steps, cills, sunshades, shelves, lintels, etc.; and cutting chases for concealed water tubing or concealed conduit wiring, etc., and making good, cutting not exc 10 cm girth Brick walls .

S&F for Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified .(sheet of width 1.5m)

S & F of Mild steel, plain, black sheet in wall cladding, steel gates and similar work, cut to size, holes punched; including round headed screws, clout nails or rivets and fixed to wood or steel framing with plain 40 mm lap joints with riveted or welded seams, including bending or turning up, mitred angles, etc. as required.(Except sheeting).