Repair of Rigid surface of Runway including other connected items in technical area at AFS Bhisiana

Amount

Demolition of cement concrete/PQC of existing pavements (un-reinforced) of any description and in any position of runway or pavements and removing demolished material from site to a distance exceeding 1.50 Km and not exceeding 5 Km and depositing where, complete all as specified and as directed.

Material and labour for providing n exc 25mm thick clean dry sand cushioning, spreading, levelling and in flooring etc, complete all as specified and as directed.

M&L for cement concrete work pavement quality concrete (PQC) of Flexural strenght 40Kg/Sqcm in field using min 400 Kg of cement/Cum or as per design mix whichever is higher including mixing of non circular polyester fiber @ 0.25% of weight of cement including necessary form work for sides of concrete slabs for fair finish, complete all as specified and as directed. Note: (i) Construction joints, shall be measured and paid separately under respective items. (ii) No price adjustment shall be applicable for variation in excess quantity of cement content is used/approved in execution of work under this item. (iii) Polyester non-circular fiber as secondary reinforcement mixed in concrete shall be measured and paid separately as 'Supply only' under the relevant item of this schedule.

Supply only non-circular polyester triangle fiber 6/12mm long design for meeting point of 240-260 0C as secondary reinforcement (Recron-3s from Reliance Industries Ltd), complete all as specified and as directed.

M&L 400 micron polythene film as per IS-2508, black colour, laid over sand layer including all necessary cutting, overlaps not less than 300mm and waste, complete all as specified and directed by the Engineer-in-charge. Note: (i) The rates for laps shall be deemed to be included in the quoted rate shall not be measured separately. (ii) Sand layer shall be measured and paid separately under serial item no. 2 above

M&L forming 10mm wide and 25 mm deep construction joints filled with polyurethane joint sealant compounds using mechanical means to a minimum depth of 10mm and priming the sides, provision of closed cell polyethylene back up rod 12 mm dia and minimum and applying masking tape on edge of joint to prevent accidental slippage of sealant on top surfaces and to give a neat finish to the sealant and removing the masking tape after sealant is applied as required, complete all as specified and as directed.

M&L PCC 1:4:8 type D2, using 40mm graded aggregate as in floors pavings, foundations filling and mass concrete etc, complete all as specified and as directed.

M&L for PCC 1:2:4 type B1, using 20mm graded stone aggregate 75mm thick in floor, pavings etc complete all as specified and directed.

M&L PCC type B0 (1:2:4) using 12.5mm graded aggregate in plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, water troughs and the like including weathering, slightly rounded for chamfered angles and throating, complete all as specified and as directed.

Dismantling laid dry stone sett paving of any description or thickness upto 200mm in water bound macadam of existing roads and removing dismantling material from site to a distance exceeding 1.50 Km and not exceeding 5 Km and depositing where directed.

M&L Machine pressed precast concrete interlocking paver block with grey cement and no pigment any shape and size conforming to IS 15658-2006 of 80mm thickness, M-40 Grade, laid dryas in floor/ berm/ path etc. complete all as specified and directed. Note: Paver block shall be approved by GE in writing before incorporation in the work.

M&L Machine pressed precast concrete interlocking paver block with grey cement and no pigment any shape and size conforming to IS 15658-2006 of 60mm thickness, M-35 Grade, laid dryas in floor/ berm/ path etc. complete all as specified and directed. Note: Paver block shall be approved by GE in writing before incorporation in the work.

M&L removing demolished/dismantling material from site to a distance exceeding 1.50 Km and not exceeding 5 Km and depositing where directed by Engineer-in-Charge.

Demolition of brick work or stone/boulder masonary built in cement mortar including all quoins, arches, pillars but excluding ashlar facing dressed stone and removing the rubbish out side MD land complete all as specified and as directed.

M&L PCC 1:3:6 type C2, using 40mm graded aggregate as in surface channels and drains and mass concrete etc all as directed by Engr-in-Charge.

M&L for brick work with sub class ‘B’ bricks, straight or curved on plan exc 6m mean radius built in cement mortar 1:4 using old size bricks, complete all as specified and directed by Engineer-in-Charge.

M&L for 15mm thick cement plaster in cement mortar (1:4) to brick or concrete surface trowelled to even and smooth finish without using extra cement complete all as specified.

M&L for precast cement concrete in cover slabs type B1 (1:2:4) using 20 mm graded aggregate (for duct/ man holes etc.), string courses, copings.kneelers, apex stones, pier caps, columns, posts, boundary pillars, bed plates, pintle blocks, ancho-rage blocks, bonders (for stone wallin). corbels, brackets, etc. (of any section indicated), with plain fair faces, including chamfers, weatherings,throat- ing etc. and setting in mortar complete with joints to match complete all as specified.

TMT Bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified.

AP BUILDERS

M/s BHUPINDRA ENGINEERING WORKS