AR AND SR TO NRB LOK BHAWAN PUNJAB, SECTOR-6, CHANDIGARH. (STEEL AND OTHER MISC. WORK)

Providing and fixing 60 mm thick high density rubber moulded precast cement concrete paver block grey/ colored/ polished/ designer (manufactured by vibro hydraulic pressure process) consisting of design mix of cement, sand and fine aggregate having designation M35 ISI marked including the cost of good quality color and hardening agents. The paver should be compiled with tensile strength and breaking load as per BIS 6717-1993 and shall be tested against resistance to bear as per IS 1237-1980 (specification for cement concrete floor tiles). The paver should be laid over layer of 25 mm average thick screened coarse sand to the required slope and filling the joints with fine sand complete in all respects and to the entire satisfaction of Engineer in charge.

Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level: 1:5:10 (1 cement: 5 coarse sand (zone-Ill) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. : In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

Provding and installation of precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by the Engineer in charge) 0.50mm +-5% total coated thickness TCT) thick zinc coating 100gsm as per IS 277 in 240mpa steel grade, 5-4 microns epopxy primer on both sides of the sheet and polyester top coat of 15-18 microns. Sheet should have protective guard film of 25 micron minimum to avoid scratches while transportation and should be supplied in single length upto 12 metres or as desired by the Engineer in charge. The sheet shall be fixed by using self drilling / self tapping screws of size (5.5x55mm) with EPDM seal or with polymer coated J or L hooks, bolts and nuts 8mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with whitel ead complete upto any pitch in horizontal / vertical or curved surface excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required complete in all repsects and to the entire satisfaction of the Engineer in charge.

Mirror polishing on marble work/Granite work/stone work where ever required to give high gloss finish complete.

12 mm cement plaster of mix : 1:4 (1 cement: 4 fine sand)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in : Cement mortar 1 :4 (1 cement : 4 coarse sand)

Repair of deteriorated RCC Balconies, Beams, Walls, Ceiling, Column or other concrete surface having exposed rusted bars consisting of following operations (a) chipping of concrete surface 25mm thick average depth afterwards removal of loose concrete and exposing the steel bars. Cleaning the surface properly to remove dust particles and rust from the steel bars. (b) Moistening the surface properly and applying arcylic polymer (acrocrete/ pidilite/ mastercrete or its equivalent) coating mixed with cement for proper bonding of old and new concrete in two coats 0.2kg per 1kg of cement. (c) Providing and fixing chicken mesh of standard size and 26 guage with steel reinforcement by using binding wire and nails complete. (d) Provding and placing of cement concrete l:11/2:3 having average thickness 1" (3/4" to 11/4" thick) mixed with arcylic polymer admixture @ 1kg per bag of cement and waterproof agent @ 400ml per 2 bags of cement including finishing the surface complete in all respect as per the direction and to the entire satisfaction of Engineer-in-Charge.

Providing and fixing golden champ wood chowkhat (kiln seasoned) 4 1/2" x 2 1/4"including cost of corner straps, iron hold fasts, hinges, screws,nails, fevicol etc. and painting two coats of wood preserver to sides of chowkhats. Rate includes the cost of dismantling of all damaged chowkhats and making good the damage to walls plaster and floors as required including, disposal of rubbish to the dumping ground the rate further includes the cost of painting two coats synthetic enamel paint over one coat of wood primer complete in all respect and to the entire satisfaction of Engineer-in-Charge.