REPAIRS TO HARDSTANDING DRAINS PATHS CULVERTS AND OTHER MISCELLANIOUS WORKS AT INS HANSA RAQAS NASDO AIRCTS INAS 552 NTS GOA AND NAY G UNDER AGE BR I OF GE NW VASCO

Amount

M & L for demolition of cement concrete of any description and in any position not otherwise specially provided for and demolition procedure like cutting out of full depth of (100 to 450mm) existing damaged/shattered concrete slab with diamond wheel cutter or carbide tipped wheel saw to provide a pressure relief cut within the patch area prior to boundary sawing, in proper rectangular, square or triangular shape perimeter without disturbing adjacent slab, after the repair area is isolated by full - depth saw cuts, making small pieces, lift and removing the deteriorated concrete slab pieces from its position and removing to a distance exc 1.0 Km and not exceeding 5 Km complete all as specified and directed.

M & L for laying dry lean concrete (DLC) of aggregate gradation as per Table 1 of SP 49:2014 having 7 days average compressive strength not less than 7 Mpa. Minimum cement content not less than 140 Kg/Cum DLC mixed in batching plant, transported to site and laid by electronic sensor paver including speeding and compacting using high amplitude tamping bars of paver (initial compaction) further by double drum smooth wheeled vibratory rollers with 80-100 KN static weight to achieve minimum dry density, necessary finishing etc complete all as per specified and tolerances to be as per table 900-1 of Morth specifications for road and bridge work 2013.

Sand filling under floors or in any position including watering and consolidation for laying interlocking paver block complete all as specified and directed.

Supplying and laying 400 micron thick HDPE Sheet (Virgin quality|) water proof, wrinkle free without puncture having minimum weight 390gm/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 as directed. Note: Sand layer shall be measured and paid separately and overlapping of HDPE sheet shall be included in this unit rate.

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 aggregates of clean natural sand or crushed stone sand or combination of both using minimum 400 Kg/Cum of cement with non-circular, virgin synthetic fiber 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 specified by the manufacturer. PQC laid, spread and compacted with slip-form paver of minimum 7.50 m width, including curing and tinning by texturing cum curing machine complete all as per specified and directed. Required surface texturing to be done as specified in clause 10.1, 14 and Table 9 of IRC 15-2017.

Supply only non circular synthetic fiber reinforcement all as manufacturer instructions complete all as specified and directed.

Finishing surface of concrete roads, pavements, by brooming complete all as specified and directed.

Forming 25 mm width expansion joint in concrete slab for full depth of PQC. Early entry saw and subsequent cutting by using diamond bit cutter of appropriate size, straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil, vegetation and other debris. The joint then filled with the premoulded 25mm thick compressible polyethylene closed cell type filler board as specified, thereafter application of two coats of primer with thin brush by forward and backward movement at an interval of 30 mins before placing the backup rod and pouring the sealant. Placing of closed cell, medium density, crossed link polyethylene foam packup rod of 30mm dia, over filler board and filled with polyurethane based sealant complying with BS- 5212, BS-4254 & EN-141875-2003 with minimum movement accommodation factor (MAF) of +/- 30% having minimum 10 year performance guarantee, applying masked tape after filling of sealant as per the method specified by the manufacturer complete as specified and as directed. Note :- (I) Initial cutting shall be carried out within 24-36 hours of casting. (ii) Final cutting, rounding of edges, use and waste of back up rod to avoid deposition of foregoing materials in the joint upto final filling of joints shall be carried out after 28 days

Cutting of construct joints 25 mm deep and 10mm wide by early entry saw cut using diamond bit cutter of appropriate size, straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil, vegetation and other debris. Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 mins before placing the backup rod and pouring the sealant. Placing of closed cell, medium density, crossed link polyethylene foam packup rod of 12mm dia, application of bond breaker tape on top of backup rod for complete width of the joint and filled with polyurethane based sealant complying with BS- 5212, BS-4254 & EN-141875-2003 with minimum movement accommodation factor (MAF) of +/- 30% having minimum 10 year performance guarantee, applying masked tape on the edges of joint and removing the masking tape after filling of sealant as per the method specified by the manufacturer complete as specified and as directed. Note:- (i) Initial cutting shall be carried out within 24-36 hours of casting. (ii) Final cutting, rounding of edges, use and waste of back up rod to avoid deposition of foreign materials in the joint upto final filling of joints shall be carried out after 28 days

M & L for preparation of new painted bituminous / concrete, flexible or rigid surfaces over 10 cm width and applying two coat of runway marking paint water based (white/golden yellow/Black) over a coat of primer to lines , dashes arrows, letters etc with necessary painting rollers, complete all as specified and directed.

Demolition of un-reinforced cement concrete of any description and in any position not otherwise specifically provided complete all as specified and directed.

Demolition / Dismantling of stone slabs and tiles of any description or thickness in floors/dado, aprons etc laid bedded and pointed in any mortar complete all as specified and directed.

M&L for machine pressed precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35 grade with grey cement and pigment complete all as specified and directed.

M&L for 100 mm thick cement concrete type C2, 1:3:6 using 40 mm graded stone aggregate in sub base of flooring/ hard standing complete all as specified and directed.

M&L for providing, cement concrete type B1 ,1:2:4 using 20 mm graded stone aggregate in roof kerbs or mud stops, rounded or chamfered on edges complete all as specified and directed.

M&L for 75 mm thick cement concrete type C2, 1:3:6 using 40 mm graded stone aggregate in plinth protections, finished even and smooth without using extra cement complete all as specified and directed.

Dismantling floor, hearth or wall tiling including cement mortar bedding but not backing, removing serviceable tiles to store and rubbish off the premises complete all as specified and directed.

M&L for 75 mm thick cement concrete type C2, 1:3:6 using 40 mm graded stone aggregate in sub base of flooring/ hard standing complete all as specified and directed.

M&L for colored heavy duty paving, chequered finish, cement concrete endure industrial tiles 12 to 15 mm thick (square /rectangular) textured series area of each tile exceeding 0.07 sqm not exceeding 0.18 sqm as in floors, treads and risers of steps fixed with grey cement and pigment laid over complete all as per manufacturer instructions and of design complete all as specified and directed.

M&L for screed bed or bedding layer of mortar 15 mm thick cement plaster 1:4 for laying floor finished to receive floor tiles complete all as specified and directed.

S&F stone kerb of machine pressed coloured glossy finish precast cement concrete (1:2:4) type B-1 using 20 mm graded stone aggregate, finished at top bull nosed shape and finished surface even and smooth using two coats of epoxy paint and jointed in CM (1:6) struck finished as directed laid with depth of block vertically complete all as specified and directed.

Demolition of stone /boulder masonry, built in cement mortar including all quoins, arches, pillars, etc., but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and directed..

Pre - cast cement concrete 1:3:6 type C-1, (20mm graded stone aggregate) block masonry with solid blocks built in cement mortar 1:6 complete all as specified and directed.

M&L for PCC type C2 1:3:6 (40cm graded aggregate) as in foundation of drains complete all as directed

M&L for PCC type B0 1:2:4 (12.5mm graded aggregate) as in hunching including weathering, slightly rounded or chamfered angles and throating complete all as specified and directed.

M&L for PCC type B1 1:2:4 (20 mm graded aggregate) as in coping including withering, slightly rounded or chamfered angles and throating complete all as specified and directed.

Rendering 10 mm thick in cement mortar (1:4) on brick surface and finishing plastered surface with using extra cement, complete all as specified and directed.

Taking down cement plastering at any description on brick or stone wall etc including raking out joints hacking for key scrubbing down with water etc and removal of debries and depositing complete all as specified and directed.

M&L Rendering 15 mm thick cement plaster on concrete solid block walls in two coats first coat of 10 mm in CM 1:4 including dubbing & 2nd coat of 5mm in CM 1:4 mixed with integral water proofing compound finished to even & smooth w/o using extra cement complete all as specified and directed. Note:- Integral water proofing liquid will be measured and paid separately.

Supply only water proofing compound complete all as specified and directed.

M & L for preparation of new plastered surfaces of walls and applying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10sqm complete all as specified and directed.

M & L for preparation by complete removal of existing treatment of painted walls and applying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10sqm complete all as specified and directed.

M&L Preparing new plastered wall surfaces and applying two coat of oil bound distemper over chalk whiting, on plastered surfaces, preparatory to distempering complete all as specified and directed.

M&L Preparing new plastered ceiling surfaces and applying two coat of oil bound distemper over chalk whiting, on plastered surfaces, preparatory to distempering complete all as specified and directed.

M&L rendering 5 mm thick in CM 1:3 in ceiling finished even and smooth complete all as specified and directed. (without using extra cement)

M&L complete removal of existing treatment and Preparing old plastered ceiling surfaces and applying two coat of oil bound distemper over chalk whiting, on plastered surfaces, preparatory to distempering complete all as specified and directed.

M&L complete removal of existing treatment and Preparing old plastered wall surfaces and applying two coat of oil bound distemper over chalk whiting, on plastered surfaces, preparatory to distempering on wall complete all as specified and directed.

M/s J.D. DESAI (BID ID -3375467)

M/S DUBAL CONSTRUCTION (BID ID -3378496)

Shree Ram Enterprises (BID ID -3378230)

M/S jvsr constructions (BID ID -3377213)

SACHIN CONSTRUCTIONS (BID ID -3378060)

M/S G.N.POWAR (BID ID -3376962)