Repair and renovation works of Skill Development centre building at Madavaram Milk Colony II

Dismantling,Clearing away and Carefully stacking materials useful for re-use for any thickness of walls - Brick in Cement mortar wall under 3 m height

Brick work in following Cement Mortar using best quality Burnt Clay Brick of size 9" x 4 3/8" x 2 3/4" with class designation of 7.5 conforming to IS 1077-1992 for foundation and basement including Cost of Mortar Plasticizer curing, etc.,complete complying with standard specification and as directed by the departmental officers. Brickwork shall be done as per IS 2212-1991 adopting English Bond generally.other type of bond shall be done as directed by the Executive Engineer in charge.

Supplying and erecting centering for plane surfaces such as RCC Floor Slab, Roof Slab, Loft, Landing Slabs, etc with necessary supports and strutting above 3.60m upto 4.90m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over steel adjustable span of size 2m x 2m (expandable upto 3.60m) and supported by Steel Adjustable Telescopic Props of Size 2.40m x 3.00m (expandable upto 4.90m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) with Cross bracings provided at two levels at a spacing of 1.80m ,etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers (Payment for centering shall be given after the concrete is laid).

Cement Concrete 1:1-1/2:3 (One Cement, One and a half crushed stone sand and Three hard broken stone jelly) using 20 mm gauge hard broken granite stone jelly for all RCC items of works excluding cost of reinforcement grill and fabricating charges centering and shuttering but including Super Plasticiser, laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary and bearing surfaces of walls, beams etc. shall be finished smooth with Cement Mortar 1:3 (One Cement and Three Sand) and kraft paper laid over it without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers - manual mix

Supplying, fabricating and placing in position mild steel/Ribbed tor steel rods for all RCC works including cutting, bending to required shape and placing in position, cost of steel and binding wire and all labour charges, conveyance etc. in all floors complete complying with standard specfication.

Fabricating Supplying and fixing in position of Aluminium anodised natural colour matt finish 1/3rd fixed glazing 2/3rd prelaminated board of Aluminium partition of size 2.70 mx 2.10 m.The outer frames Outer frame: 63.50x38x3mm@ 1.72 kg/m,Centre mullions: 63.50x38x3mm@ 1.55 kg/m,Alu. Clips: 17.27x17.15x1.50mm @ 0.175kg/mg/m for intermediate vertical mullion 90cm c/c. Horizontal mullion at 1.00m 2.10m covered with 4 mm thick plain glass with neccessary aluminium clips of size 17.27x17.15 x1.50mm @ 0.176kg/m and with required rubber beading etc., including necessary dismantling holes in RCC column,masonry wherever in necessary with power drills to the extent required and made good the damaged portion in good condition after fixing etc... complete complying with standard specification and as directed by the deparmental officers. All the aluminium sections should be anodised not less than 15 microns as ISI specification1868/1962 / and should be gotapproved by Executive Engineer before use.

Providing and Fixing in position suspended false-ceiling system using 595mmx595mm Calcium Silicate Ceiling Tiles having 15mm Densified Edges and 100% Humidity Resistence, Incombustible as per BS 476 Part IV with thermal conductivity of 0.043 w/m KC and NRC 0.50, and approved surface design (SPINTONE) and edge profile (Tegular) placed in a suspended grid of size 600mmx500mm made from hot dipped GI Steel sections having an exposed surface capping of pre-finished baked polyester painted coil wherein the main tee of size 24mmx28mmx0.33mmx1200mm shall be inserted in to slots between the main tees at 600mm c/c and thereafter in direction vertical so as to form a grid of size 600mmx600mm resting on the periphery walls on wall angles of size 22mmx22mmx 3000mmx0.40mm thickness including providing necessary opening for light fixtures, diffusers, etc are to be made as per lay out and as per directions of engineer incharge. The main tees are to be suspended from the ceiling/ soffit with the help of metal dash fasteners of 6mmx50mm, soffit cleats of 25mmx35mmx1.6mm and 4 mm dia GI wire with galvanized spring steel leveling clips. The entire grid system shall be designed to bear a distributed load of minimum 15kg/ sq.m.

Paving the floor with best quality vitrified Tiles of following size and variety conforming IS 15622 with water absorbtion less than 0.08% of approved colour and shade laid over cement mortar bed of 20mm thick in cement mortar 1:3 (one cement and three crushed stone sand) with required Cement Slurry and Mortar Plasticizer in all floors and the top pointed with Water Resistant Tile Epoxy Grout etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Supplying and fixing mild steel iron grill for Windows Ventilators and grill gate etc., including one coat of red oxide primer using M.S. angle of size 40x40x6mm and grill using 20x6mm MS flat and necessary hold fast with M.S. angle of size of 40x40x6mm - 230mm long spliced at end is to be provided appropriate places for fixing the grill etc complete complying with standard specification. The type design for the grills should be got approved by the departmental officers before execution.