Tender For Development Of New Retail Outlets And Modernization Of Outlets Within City Limits Under Chennai Ro - Surface dressing of the ground including removing small plants, bushes ,vegetation (dia less than 4) and making surface levelled and disposal of rubbish outside HPCLs premises to an unobjectionable place, as directed by the Engineer in Charge, Excavation for foundation upto required depth below ground level in any type of soil except hard rock . Rate to include dressing the sides and bottom, bailing out of water if encountered, shoring, strutting, backfilling after the construction of foundation, compacting by the side of the foundation and disposal of surplus excavated earth within/outside HPCLs premises to an unobjectionable place, as directed by the Engineer in Charge including spreading, watering and compaction, complete . The measurement of the excavation would be based on actual depth of excavation with applicable rate for different depths. EXCAVATION IN EARTH BETWEEN 3 TO 4.5, > Providing and laying PCC 1:4:8 using 40 mm and down size graded stone aggregates including machine mixing, providing formwork if required, placing, compacting by hand ramming , curing etc complete, Providing and laying PCC 1:3:6 using 20 mm and down size graded stone aggregates including machine mixing, providing formwork if required, placing, compacting by hand ramming, curing etc complete,m Providing and laying PCC 1:2:4 using 20 mm and down size graded stone aggregates including machine mixing, providing formwork if required, placing, compacting by hand ramming, mechanical vibrators, curing etc complete, Providing and laying 60 mm average thickness coping in CC 1:2:4 mix using 6 to 12 mm stone aggregate with 40 mm projection on either side of wall with drip mould. Rate to include 20 mm thick plaster in cm 1:4 for fixing of glass pieces including mixing, providing necessary shuttering, compaction and curing. Thickness of coping at the ends shall be 40 mm and 80 mm at centre, Providing , mixing and placing REINFORCEMENT CEMENT CONCRET 1:1.5:3 mix using 20 mm and down size graded crushed aggregate including providing and fixing necessary plywood /steel shuttering , scaffolding, bracing, machine mixing, compacting by vibrators, curing, hacking the surface to receive plaster etc. complete. Rate shall be exclusive of the cost of steel reinforcement, which will be paid under a separate item. Concrete conforming to relevant specifications of IS 456 - Latest Edn. - FOR ROOF SLAB & CHAJJA, Providing and laying in position specified grade (Ready Mix Concrete) controlled concrete as per approved mix design for sub-structure (i.e. upto ground level icluding pavement ) and shapes using graded metal with size 20 mm and 12.5 mm. including placing, vibrating, compacting, curing etc. complete as per provisions of the relevant IS codes Rate shall be exclusive of the cost of steel reinforcement, which will be paid under a separate item READY MIX CONCRETE (M-25) FOR :RCC D/way/ Culvert slab/Tank bottom raft/tank top slab as per IS-4926, BRICK MASONRY WORKS :Providing and constructing following brick masonry in CM 1:5 using first quality bricks of Class designation 35 (35 KG / SQCM minimum) and conforming to IS-1077-1986 including providing all openings and projections , raking the joints to 1 cm deep, scaffolding, soaking of bricks in water prior to use and curing etc complete as per specifications, BRICK MASONRY WORKS :Providing and constructing 345 MM THICK brick masonry in foundation and super structure in CM 1:5 using first quality bricks of Class designation 35 (35 KG / SQCM minimum) and conforming to IS-1077-1986 including providing all openings and projections , raking the joints to 1 cm deep, scaffolding, soaking of bricks in water prior to use and curing etc complete as per specifications, Providing & laying brick masonry as above but for 115 mm thick in partition walls in CM 1:4. Rate to include providing 75 mm thick RCC 1:1.5:3 bands using 4 nos 8 mm dia Torsteel reinforcement with U type 8 mm strips @ 150mm C/C at every 1 M height of wall including plywood/ MS shuttering. Steel reinforcement shall be paid for separately, CERMICTILEDADO( 300MMX 600 MM), GRANITE SLAB18 MM BLACK, BRICKBAT COBA ON TERRACE Providing and laying integral cement based water proofing of average 100 mm thick as per specifications given. The job includes Cleaning of RCC slab and applying neat cement slurry mixed with waterproofing compound, providing and laying brickbat coba in CM 1:4 mixed with water proofing compound and curing for a period of 24 hours, laying of 25 mm thick PCC 1:1.5:3 mix with 6 mm and down size coarse aggregate and water proofing compound, finishing smooth, making half round vata at the junction of parapet wall and slab and curing for 10 days. NOTE:- Contractor to submit a guarantee in respect of performance of waterproofing ,for 10 years on a Stamp-paper. Further , @10% of job amount shall be retained for 2 years as retention money , returnable after retention period without interest . Approved brands of waterproofing compound are : CICO/ACCOPROOF/IMPERMO, etc.
