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| 1 | Demolition of unreinforced cement concrete / bituminous surface in ground floors and pavings exc 15cm thickness below or above ground level complete all as specified and as directed. |
| 2 | Removing demolished materials (concrete etc) to a distance exc 1.5 Km and not exc 5 Km outside MoD land complete all as specified and as directed. |
| 3 | M&L for applying evenly a tack coat of bitumen VG-10 grade conforming to IS: 73 at a rate of application of 2.5 kg/ 10sqm on bituminous surface as specified in Table 500-5 of MoRTH specification for road and bridge works 2013, using mechanical sprayer complete all as specified and as directed. |
| 4 | Supplying and laying 400 micron thick HDPE sheet (Virgin Quality) water proof, wrinkle free without puncture having minimum weight 390 gm/Sqm over tack coat/sand cushion as specified in the design with overlap between adjacent strips and at transverse joints as minimum 300mm complete all as specified and directed. |
| 5 | Supply and laying 350mm thick pavement quality concrete (PQC) of minimum 28 days field Flexural strength of 45Kg/ Sqcm or 4.5 Mpa, aggregate gradation as per Table 3 of IRC 15- 2017, coarse aggregate of clean, hard strong, dense, non-porous and durable pieces of crushed stone or gravel, fine aggregatesof clean natural sand or crushed stone sand or combination of both using minimum 400 kg/cum of cement with non-circular, virgin synthetic fibre of 12-18 mm length, specific gravity 1.34 to 1.39, UV stable, alkali resistant, with equivalent dia 15-40 micron, minimum melting temperature as 240°C and minimum tensile strength of 300 Mpa and at the rate as specified by the manufacturer. PQC laid, spread and compacted with slip-form paver of minimum 7.50 m width, including curing and tining by texturing cum curing machine complete all as specified and directed. Required surface texturing to be done as specified in Clause 10 1 14 and Table 9 of IRC 15-2017. Notes :- (a) Non circular virgin synthetic fibre shall be deemed to be included in unit rates. (b) Theadmixture as per approved design mix shall be added and mixed. The cost of admixture required shall deemed to be included in the quoted rate.(c ) Construction joints, Dummy joints and expansion joints shall be measured and paid separately under respective items. Deduction shall be made in PQC of quantity for expansion joints. (d) Trimming of vertical edges of construction joint longitudinal and transverse shall be carried out using sawing machine to maintain straight edge before laying of adjacent / subsequent lane. The quoted rate shall be deemed to be inclusive of this provision and nothing extra shall be paid on this account. (e) For the purpose of pricing this item, the cement content shall be considered as 400 kg/cum. However, actual cement content shall be worked out as per design mix and nothing extra shall be paid on this account if cement content required in design mix is more than 400 Kg/Cum. However, if cement content is less than 400 Kg / Cum in design mix, a minus deviation order shall be prepared for supply only cement rate @ Rs 6.70 per Kg of cement (f) Curing compound shall be applied at the paving stage after broom finish and surface is dry, and rate for spray of curing compound as per manufacturer\"s instructions shall be deemed to be included in unit rate. (g) The quoted rate shall be inclusive of M&L for formwork for total thickness. (h) At locations like link fillets, small areas etc where the slip form paver cannot be used for laying fixed form paver with minimum 5m width can be used. |
| 6 | M&L for forming 25mm wideexpansion joint fill with compressible synthetic filler board for complete depth of joint, i.e the thickness of slab, provision of closed cell backup rod 30 mm diafilledwith polyurethane sealant (Min depth of sealant above backup rod shall be of 15 mm) complying with BS 5212, BS4254 and EN 41875-2003, priming the sides min MAF± 30% with ten years performance guarantee and applying masking tap on edge of joint to prevent accidental spillage of sealant on top surface to give neat finish to sealant and removing the masking tap after sealant is applied by mechanical means complete all as specified and as directed. |
| 7 | M&L for forming contraction (Dummy) joint 1/3 of depth of slab and top 25 mmand 8mm wide to received PU and remaining 3 mm wide(using diamond cutter) providing polythene backup rod 10 mm dia and sealed with polyurethane sealant (Min depth of sealant 12 mm) complying with BS 5212, BS4254 and EN41875-2003, priming the sides min MAF± 30% with ten years performance guarantee and applying masking tap on edge of joint to prevent accidental spillage of sealant on top surface to give neat finish to sealant and removing the masking tap after sealant is applied by mechanical means complete all as specified and as directed. |
| 8 | M&L for forming construction joint 25mm deep and 8mm wide (using diamond cutter) providing polythene backup rod 10 mm dia and sealed with polyurethane sealant (Min depth of sealant 12 mm) complying with BS 5212, BS4254 and EN41875-2003, priming the sides min MAF± 30% with ten years performance guarantee and applying masking tap on edge of joint to prevent accidental spillage of sealant on top surface to give neat finish to sealant and removing the masking tap after sealant is applied by mechanical means complete all asspecified and as directed. |
| 9 | M&L for providing and laying self leveling elasto-meric concrete in any depth and any width as required for repair to cracks, corner spawling, pot holes, damaged edges of construction/dummy/expansion joints of cement concrete pavement/ slabs of Runway/ Taxi-track as required and finishing by means of trowels and flats alongwith application of a coat of special primer for elastomeric concrete after preparation of surface by removal of all loose material by disc cutter or by chiselling and cleaning by using air blower including all consumable materials, tools, labour etc including removal of all the spoils/ loose materials from site to outside MoD land complete all as specified and directed by Engr-in-Charge. |
