REPAIR TO FLEXIBLE RIGID PAVEMENT INCLUDING TAXI TRACK AND CONNECTED ITEMS AT AF STN NALIYA

Amount

Demolition of PQC/PCC of any description and in any position any thickness below or above ground level, all as specified and as directed. Note:- Debris shall be removed out side MD land location, where debris shall be removed shall be responsible by contractor and no any extra charge shall be paid to contractor on this regard.

M & L for Providing and Laying Dry lean Concrete (DLC) 100mm thick of aggregate gradation as per Table 1 of SP 49:2014 having 7 day 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 spreading and compacting usign 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 not less than 98% of maximum dry density, necessary finishing etc complete all as specified and tolerances to be as per Table 900-1 of MORTH specifications for Road and Bridge work 2013 complete all as specified and as directed.

M&L for sand cushion with clean river sand duly clear of residual, organic and deleterious materials spread evenly to uniform thickness laid over DLC layer as specified and directed. (No additional amount to be paid for overlap)

Supply and lay 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. Note: Net Plan Area of sheet in contact with PQC (without allowance of lap shall be measured for payment purpose)

M & L for Pavement quality concrete (PQC) of minimum 28 days field flexural strength of 45Kg/ Sqcm or 4.5Mpa, 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 of gravel, fine aggregates of clean natural sand or crushed stone sand or combination of both using minimum 360 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 Tad- 9 of IRC 15-2017 complete all as specified and as directed Note :- Triangular recron fibre shall be measured and paid separately.

Supply only polyester triangular recron fibre complete all as specified.

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

M&L for 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. Join 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 pre-molded 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 minutes before placing the backup rod and pouring the sealant Placing of closed cell medium density, crossed linked polyethylene foam backup rod of 30 mm dia, over filler board and filed with polyurethane based sealant complying with BS5212, BS 4254 and EN-141875-2003 with minimum movement accommodation factor (MAF) of +/- 30% having minimum 10 year performance guarantee applying masked tape on the edges of joints and removing the masking tape after filling of sealant as per the method specified by the manufacture complete as specified and directed.

M & L for Cutting of construction joints 25mm deep and 10 mm wide by earty 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 othe debris Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant. Placing of closed cell medium density, rossed linked polyethylene foam backup rod of 12 mm dia, application of bond breake tape on top of back up rod for complete width of the joint and filled with polyurethane based sealan complying with BS-5212, BS 4254 and EN-141875-1003 with minimum movement accommodation factor (MAF) of +/- 30% having minimum 10 year performance guarantee, applying masked tape on the edges of joints and removing the masking tape after filling of sealant as per the method specified by the manufacturer complete as specified and directed.

M&L for forming dummy/contraction joint with an initial saw cut of 3 mm soon after the concrete has set, upto a depth of 1/3rd to 1/4 th the thickness of the slab widening the first saw cut to 6 mm and 24 mm deep 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. Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant. Placing of closed cell, medium density, crossed linked polyethylene foam backup rod of 8 mm dia application of bond breaker tape on top of back up rod for complete width of the joint and filled with polyurethane based sealant complying with BS5212, BS 4254 and EN-141875-2003 with minimum movement accommodation factor (MAF) OF +/- 30% having minimum 10 year performance guarantee applying masked tape on the edges of joints and removing the masking tape after filling of sealant as per the method specified by the manufacturer complete as specified and directed.

M & L for 75mm PCC 1:3:6 type C-2 using 20mm graded aggregate as in floors, plinth protection and pavings finished with spike rolling to surface or making impressions of expanded metal, whilst the concrete is green all as specified and directed.

All as per item No.11 above but for 100mm thick PCC

M & L for Forming Contraction (Dummy) joints 75 mm deep x 10mm wide for plinth protection & similar work , filled with sealing compound ,Grade 'A' in plinth protection.

Demolition of brick work or PCC blocks/stone masonry built in cement mortar complete all as specified and directed.

M & L for pre-cast cement concrete (20mm graded crushed stone aggregate) 1:3:6 type C-1 as in block masonry exc 10cm in width with solid block masonry with solid blocks, exc 10cm in width and setting in cement mortar 1:6 all as specified and as directed.

Taking down cement plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc.complete all as specified and as directed.

M & L for Rendering 15mm thick cement plaster in CM 1:4 on fair faces of brick work or concrete surfaces with water proofing compound @ 3 % of weight of cement and finished fair and smooth without using extra cement complete all as specified and directed. (Note: water proofing compound will be measured and paid for seperately as supply only)

Supply only integral water proofing compound

S& F Guidance sign boards having various sizes as per ICAO standards, annexure 14(2018) fabricated from hollow anodized aluminium profile with 1100mm long frangible legs passing inside the sign.One front side polycarbonate signage sheet shall provide with inscription. The signage sheet shall provide with inscription. The signage sheet shall be 4mm thick long-life UV stabilized polycarbonate non specular surface with letters and symbols of sign (as per directed by Engineer-in-charge), made out from film manufactured by 3M or equivalent as specified ,tested from outside with required colouring for mandatory/informatory guidance sign.The signage is required to be retro-reflective in nature,signage is to be provide by retro-reflective tapes of make 3M or equivalent as specified. THe rear panel shall be made of 1.5mm thick aluminium in single sided boards. The board shall have frangible mounting legs with CI casting base with name of vendor imprinted and M10 bolts welded in foundation plate with anchor.The signage sheet and aluminium back sheet (in single sided boards shall be fixed with 25x25x3mm thick anodised aluminium angle with stainless steel screws. The board shall be comply to ICAO latest amendment. The whole boards shall be powder coated in white colour. Single sided Boards(Single side sheet) Profile 100x25x2mm thick complete as per drawing , specification and direction of Engineer-in-charge. Make of boards: Poshdecor or equivalent.

All as per item No.19 above but double sided boards (Both side sheet) Profile 100x25x2mm thick

Cleaning of Mud/silt from monsoon drainsof girth exceeding 1.0m but, n.exc 2.0 m of any depth, including removal of wild vegetation there from , to out side MD land all as directed by Engr-in-Charge. Note:- Cost of removal of existing cover slabs of drain and placing on same location after cleaning/removal of mud/slit and vegetation is deemed to be inclusive in the quoted rate.

All as per item No.21 above but width exc. 2.0m but n.exc. 3.0m width

M & L for forrowing SGA plouging and furrows using Tractor with POL and driver in Technical area whenever is required at Airfield. Note- Contractor will arrange his own tractor with POL and MT driver. The tractor will in operation from 09.00 AM to 05.00 PM (including lunch break of half an hour at mid day) and will be allowed in all working days at any department will have the right to stop the work at any time even in working days due to security point of view

M&L for single component 'CONCRE-FLO', special polymers and additives streaming crack, joint stuffer to prevent cracks from forming into pot holes and filling of cracks and joints on concrete surface of runway shall be capable to be applied directly on damp pavement also and coverage shall be 24.20 m/L for 6mm(width) x 6mm(depth) crack or 6.05m/L for 13mm x 13mm crack or 2.10 m/L for 25mm x 25mm crack complete all as per manufacturer's instructions as specified and directed. Back-up rod to be used in case depth is more than 25mm.

M&L for single component 'ASPHA-FLO' Coal tar free signature grade Gilsonite modified Asphalt emulsion special polymers and additives streaming crack, joint stuffer to prevent cracks from forming into pot holes and filling of cracks and joints on asphaltic surface of runway ,shall be capable to be applied directly on damp pavement also and coverage shall be 24.20 m/L for 6mm(width)x6mm(depth) crack or 6.05m/L for 13mmx13mm crack or 2.10 m/L for 25mrnx25rnm crack complete all as per manufacturer’s instructions as specified and directed Back-up rod to be used in case depth is more than 25mm

M & L for preparation, cleaning of old bituminous/concrete painted surface etc, exc 10 cm width or girth and applying one coat of white/black, golden, yellow, grey Runway/Road marking paint, water based, complete all as specified and directed

M & L for preparation, cleaning of old bituminous /concrete painted surface etc. n.exc 10 cm width or girth and applying one coat of white/black, golden, yellow, grey Runway/Road marking paint water based, complete all as specified and as directed.

M & L for preparation ,cleaning of old painted surface exc 10 cm width or girth of runway controller huts, arrester barrier huts, wind sock base & TCP huts and like and applying one finishing coat of synthetic enamel paint of color white/black, golden, grey, yellow, orange complete all as specified and directed.

M & L for preparation of old plastered/concrete surface and applying two coats of white wash over ORA portion all as specified and directed.

Dismantling of bricks (laid flat or on edge) or interlocking tiles in floors, channels, kerbes, aprons, etc laid dry of laid dry and pointed.

M & L for cement concrete type B-2,1:4:8 (40mm graded aggregate) 100 mm thick as in sub-floors, sub- bases, floors and pavings, etc.

M & L for sand filling under floors in foundations and for laying Interlocking paver blocks including watering and consolidation complete all as specified and as directed by Engr-in-Charge

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 & pigment complete all as specified and directed.

M & L for cement concrete Type B1 1:2:4 (12.5mm grade aggregate ) in Copings, kneelers, apex stons, Kerbs etc including weathering, slightly rounded or chamfered angles and throating, as directed.

Demolition of reinforced cement concrete of any description and in any position not otherwise specifically provided for (reinforcement cut as required to facilitate demolition), all as specified and as directed

M & L for precast cement concrete Type C1, 1:3:6 (20mm graded aggregate) in landings, cover slabs (for manholes etc), chullah hoods, chhajja water troughs, shelves and similar articles with plain faces, setting in CM 1:6 and as directed

Mild steel TMT bars 10mm dia and over, cut 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 quality conforming to.

All as per item No.37 above but 6 to 8mm dia

NEELKANTHA ASSOCIATE (BID ID -3093168)

nidhi construction co. (BID ID -3093247)

KALIKAY ENTERPRISES (BID ID -3084931)