REPAIR AND MAINTENANCE WORKS AT MECHANICAL LABORATORY AT GOVERDHAN VILAS UDAIPUR

Repairs to plaster of thickness 12mm to 20mm in patches of area 2.5 sq. metres and under including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete including disposal of rubbish to the dumping ground within 50 m lead With cement mortar 1 :4 ( 1 cement : 4 coarse sand)

Repair to damaged RCC slabs, beams and columns etc for strengthening with cement mortar 1 : 2 in following steps :- (i)Choping losse and cracked concrete to required depth, cleaning the exposed surface of steel and concrete with wire brush and sand papering , cleaning of concrete surface with water as necessary and getting dried. (ii)Applying Epoxy primer on the exposed steel bars.(iii)Applying Epoxy hardener and resin mix (as per manufectured's specification) on concrete and steel bars with brush.(iv)Speading dry cement mortar 1 : 2 mix over epoxy treated wet surface and allow it to dry for one day.(v)Plastering the surface with cement sand mortar 1 : 3 upto depth of 30mm complete.(vi)Cure the plastered surface for 15 days, All work including scaffolding etc. complete in all respect.

Providing and laying six courses water proofing treatment with bitumen felt over roofs consisting of first, third and fifth courses of blown or/and residual bitumen applied hot at 1.45, 1.20 and 1.70 Kg. per Sqm. of area respectively second and fourth courses of roofing felt type 2 grade-I (fiber base self finished bitumen felt) and sixth and final course of stone grit 6mm and down size or pea sized gravel spread at 8cu.dm per sqm including preparation of surface excluding grading complete confirming to IS : 1322 and 1346.

Providing and fabricating reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding (including cost of binding wire) all complete up to floor five level. ('Original producers' who manufacture billet directly from iron ores and roll the bilets to produce steel conforming to IS:1786) Thermo-mechanically Treated bars (Conforming of relevent IS code)

Brick work with F.P.S. bricks of class designation 75 in superstructure above plinth level upto floor V level in all shapes and sizes in : Cement mortar 1 : 6 (1 cement : 6 coarse sand)

6 mm thick cement plaster to ceiling of mix 1:3 (1cement : 3-fine sand)

Providing and applying white cement based putty over plastered surface to prepare the surface even and smooth complete New Plastered Surface (three or more coats)

Wall painting with plastic emulsion paint of approved brand and manufacture to give an even shade including all scaffolding: Two or more coats on new work

Renewing glass panes,with putty and nails wherever necessary: Float glass panes of thickness 4 mm

Supplying and fixing fixed wire gauge of 14 mesh x 24 gauge to the metal frame of rolled section by metal beading 20x3mm with suitable screw at not exceeding 150mm distance.