RESURFACING WORKS OF PTT / LINKS AT AF STN AWANTIPUR(CEAFU-05/2019-20)

Amount

Sch 'A' Part-I (RESURFACING OF PTT AND LINKS).

Material and labour for Premix Dense Asphaltic Concrete (DAC Gde II) with minimum Marshal stability as 1400 Kg, 35 mm thick (consolidated thickness) using PMB (E) –70 Elastomeric Thermoplastic SBS based, all as specified in clause no 1.7.2 of particular specification, made out of polymers and bitumen of grade VG-30 with 5.6 % minimum binder content and cement filler required as per approved design mix , mixed by weight of total mix as in wearing course, using hot mix plant and laid by using sensor paver, rolled and compacted to required camber and gradient complete all as specified and directed. Notes : (i). In case binder content as per JOB MIX formula comes out to be less than as specified in the CA , MINUS DO shall be placed on the contractor for supply only rate of binder .However , no plus DO is admissible if binder content as per JOB MIX formula works out to be more than as specified in the CA.Unit rate quoted by the contractor is deemed to include for the same and nothing extra shall be admissible on this account. (ii) There may be requirment of additional cement/filler to meet desired gradation requirement as per approved design mix . No price adjustment shall be made for use of cement/ filler for this purpose and rates shall deem to be included to account for addition of the filler.OPC shall be used as cement filler , as specified here-in-after.

Material and labour for Premix Dense Asphaltic Concrete (DAC Gde II) with minimum Marshal stability as 1400 Kg, 40 mm thick (consolidated thickness) using PMB (E)–70 Elastomeric Thermoplastic SBS based, all as specified in clause no 1.7.2 of particular specification, made out of polymers and bitumen of grade VG-30 with 5.6 % minimum binder content and cement filler(if required as per mix design specified here-in- after ) , mixed by weight of total mix as in wearing course, using hot mix plant and laid by using sensor paver, rolled and compacted to required camber and gradient complete all as specified and directed. Notes : (i). In case binder content as per JOB MIX formula comes out to be less than as specified in the CA , MINUS DO shall be placed on the contractor for supply only rate of binder .However , no plus DO is admissible if binder content as per JOB MIX formula works out to be more than as specified in the CA.Unit rate quoted by the contractor is deemed to include for the same and nothing extra shall be admissible on this account . (ii) There may be requirment of additional cement/filler to meet desired gradation requirment. No price adjustment shall be made for use of cement/ filler for this purpose and rates shall deem to be included to account for addition of the filler.OPC shall be used as cement filler , as specified here-in-after. (iii) Cost of making ramp in slope 1:100 at the time of days work, with DAC-II as specified above & cutting the same with diamond cutter and machine as specified to commence the progress of DAC work next day is deemed to be included in the unit rate . Nothing extra shall be admissible on this account to the contractor.

Material and labour for applying evenly a prime coat / Tack Coat with Performance grade Polymer Modified Bitumen PMB (E)-70, 2.5 Kg per 10 Sqm including cleaning of surface with air compressor to receive tack coat, using mechanical sprayer all as specified and directed.

Material and labour for applying evenly a priming/tack coat with bituminous primer VG 10 @ 2.5 Kg per 10 Sqm including preparing old bituminous surfaces by brushing with wire brushes and finally cleaning with runway power sweeper or compressor complete all as specified and as directed.

Material and labour for Premixed Hot mix dense graded bituminous macadam (DBM) (Gde-II) base course using 4.50% binder (VG 30 grade paving bitumen by weight of total mix) 150mm thick in two layers of 75mm thick (consolidated thickness) with minimum Marshal stability 900 Kg including rolling and consolidation to required gradient and camber complete all as specified and as directed . Note:- Cost of making ramp in slope 1:100 at the time of days work, with DBM-II as specified above & cutting the same with diamond cutter and machine as specified to commence the progress of DBM work next day is deemed to be included for the same and nothing extra shall be admissible on this account to the contractor.

Providing self adhesive (pressure sensitive) glass grid of grade 'B' having grid size of 12.5 mmX12.5 mm. The glass grid shall have minimum tensile strength of 100 KN/M in both longitudinal and transverse direction. The glass grid after laying shall be pressed down fully with a rubber tyred roller and glued to the pavement surface. The longitudinal overlap shall be 50 mm and transverse overlap shall be 100 mm. Over glass grid, stress absorbing membrane inter layer(SAMI) shall be provided using performance grade polymer modified bitumen as specified @ 1.50 Kg/Sqm and stone chips of size 6-10 mm @ 7.5 Kg/Sqm spread over the bitumen so as to cover 50 % of the area and rolled with pneumatic tyred roller. etc complete all as specified, and as directed.

Demolition of cement concrete (un-reinforced) in any discription and in any position not provided including removal of debris out side MOD land exceeding 1.5 KM complete, all as specified and directed.

Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area exceeding 400 sqm and not exceeding 50mm deep etc complete all as specified and directed.

Sch 'A' Part-II (CULVERT / PCC FOR RAISING OF LIGHT ALONG RUNWAY PTT , OLD AND NEW DISPERSAL AND LOOP TAXI/PCC 2.2 M WIDE ALONG BOTH SIDE OF RUNWAY)

PCC 1:4:8 type D-2 (using 40mm graded crushed stone aggregate) as in foundation,filling and mass concrete complete all as specified and as directed.

Rolling and consolidating of formation surface in cutting using 8 to 12 Tonne power roller complete all as specified and as directed.

M&L for 200 mm thick (spread thickness) soling with broken stone of guage 100 to 50 mm, spread and levelled , interstices filled , surface formed and rolled with 8 to 12 tonne power roller complete all as specified.

Forming 20mm wide expansion joint filled with pre-formed compressible synthetic filler board HD-100, applying bond breaker tape on top of filler board for complete width of joint, provision of closed cell polyethylene back up rod 28mm to 30mm dia, filled with polyurethane sealant (minimum depth of sealent above backup rod shall be 20mm), priming the side and applying masking tape on edges of joint to prevent accidental spillage of sealant and removing the masking tape after sealant is applied for thickness of concrete slab complete all as specified and as directed. The sealant shall conform to IS-5818 and minimum MAF + 30% with 10 years warranty.

Forming construction joint 8 mm wide and 50 mm deep for concrete slab, cleaning the complete joint and top primed with primer and filled 10 mm with polyurethane sealent and priming the sides with two coats of primer , provision of closed cell polyethelene back up rod 10mm dia and applying masking tape on edges of joint to prevent accidental spillage of sealant on top surface and to give a neat finish to the sealent and removing the masking tape after sealant is applied complete all as specified and as directed. The sealant shall conform to IS-5818 and minimum MAF + 30% with 10 years warranty.

Forming contraction/dummy joints 50 mm deep and 6mm wide (using diamond cutter) and top 13mm (minimum above back up rod) filled with polyurethane sealent and priming the sides with two coats of primer , provision of closed cell polyethelene back up rod 8mm dia and applying masking tape on edges of joint to prevent accidental spillage of sealant on top surface and to give a neat finished to the sealent and removing the masking tape after sealant is applied complete all as specified and as directed. The sealant shall conform to IS-5818 and minimum MAF + 30% with 10 years warranty.

Brick work with Sub class 'B' bricks straight or curved on plan exc 6m mean radius built in cement mortar 1:4 complete all as specified and as directed.

Hard core of broken stone or boulders of gauge not exceeding 63mm, deposited, spread and levelled in layers not exceeding 15cm thick watered and rammed to a true surface complete all as specified and as directed.

100mm thick PCC 1:2:4 type B-2 (using 40mm graded aggregate crushed stone aggregate ) as in paving complete all as specified and as directed.

RCC by using Design mix M-30 , using 20mm graded crushed stone aggregate as in RCC vertical wall , columns, pillars, piers, posts and struts, complete all as specified & directed.

Form work to faces of walls, retaining walls, abutments, parapets & stair case railing and similar work including attached pillasters, buttresses etc vertical or to batter complete all as specified and as directed, for rough finished flat , surfaces of concrete .

RCC by using Design mix M-30 , as in slabs supported on walls, beams and columns in floors, roofs, landing, deck slabs and the like complete all as specified and shown on drawings.

Form work to soffits of suspended slabs such as roof slabs, floor sides, landing and similar work not exceeding 200mm thick (Horizontal or sloping) for rough finished flat surfaces of concrete complete all as specified and as directed.

M &L for RCC M-30 design Mix as in foundations, including rafts, footing, foundation beams, plinth beams, bases for coloum etc basement slab, under reamed-piles and mass concrete etc complete all as specified and shown on drgs.

M & L for Mixed cement concrete M-25 Design Mix (using 20 mm graded crushed stone aggregate) complete all as specified and as directed.

M &L for PCC 1:2:4 type B-1 (using 20mm graded crushed stone aggregate) in lintels upto 1.5 metre clear span, cills, steps, seismic and other similar bands, plinth courses, string courses lacing courses, parapets and railings upto 60cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering slightly rounded or chamfered angles and throating complete all as specified and as directed including formwork.

Form work to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits of foundations and plinth beams and similar works vertical or to batter concrete complete all as specified and as directed , for rough finished flat surfaces of concrete .

TMT bars 10mm dia and over, cut to length , bent to shape required including cranking, bending spirally for hooping for columns, hooking ends binding with and including MS wire (annealed) not less than 0.90mm dia complete all as specified and as directed.

10mm thick rendering on fair faces of brick work in cement mortar 1:4 and finished even and smooth without using extra cement complete all as specified and as directed.

Preparing plastered or unplastered surfaces of walls and applying two coats of cement base paint over a coat of primer, in camouflaging pattern complete all as specified and as directed.

PCC 1:2:4 type B-2 (using 40 mm graded crushed stone aggregate nominal mix) in foundations, filling and mass concrete complete all as specified.

Mild steel nuts, bolts and washers including anchor plate of any size for fixing runway lights complete all as specified and directed.

Sch 'A' Part-III (RAISING OF EXISTING SGA FOR PTT)

M&L for coarse sand filling under floor or in foundation including watering & consolidation complete all as specified and as directed

Sch 'A' Part-IV (DTGM BOARDS and SIGN BOARD)

Dismantling of existing DTGMs including frame work and removal complete all as specified and directed by Engineer-in-Charge.

Supply and Fix retro reflective Visible DTGMs( Distance to go Markers) made of high grade thermoset engineering plastics having monolithic structure to withstand temperature variation from extreme cold environments to sweltering hot conditions and meet the frangibility requirements specified for objects in runway. Structure specially reinforced with Antimony Trioxide and Methylamine Acrylate to withstand high velocity winds. Easily breakable offering least resistance but strong enough to withstand any wind pressure,dust storms and hurricane ,Each side having size 5' x 4' and having three legs of PVC Pipe 80mm dia of height 450mm fixed on PCC foundation of Size 600mm x 600mm x 600mm using PCC 1:2:4 type B-2 (Using 40mm graded crushed stone aggregate)including excavation and earth work for foundation Complete all as specified and directed. Make:- VIBGYOR Industries Chandigarh/ Gupta Signage Ambedkar Nagar (UP) / ERCON composites, Jodhpur/Sinor / or equivalent make as approved by GE.

Supply and Fix Link Sign Board with retro reflective (numerals and alphabets) and surfaces having internal illumination for visibility at night, with and including LED lighting system/fitting of approved make having Light output more than 800 mtr and 3500K ,with improved colour contrast and legibility, made of high grade thermoset engineering plastics having monolithic structure to withstand temperature variation from extreme cold environments to sweltering hot conditions and meet the frangibility requirements specified for objects in runway. Structure specially reinforced with Antimony Trioxide and Methyl Amine Acrylate to withstand high velocity winds and jet blast upto 200MPH,. easily breakable offering least resistance but strong enough to withstand any wind pressure,dust stroms and hurricane , fitted with birds deterrent facilities on top, sign facia to be hinge mounted to provide quick and easy access for maintence. approximate size of each board varing from height 800mm x length 1600mm to 2700mm having suitable number of PVC legs of pipe 80mm dia of height 600mm fixed in PCC foundation of Size 450mm x 450mm x 450mm using PCC 1:2:4 type B-1(Using 20mm graded crushed stone aggregate)including excavation and earth work for foundation, letters and numerals 400mm high, stroke width of letter 64mm and Gap between two words 200mm, (colour coding of board, letters/numerals and signs shall be decided by GE. letters/numerals and signs shall be provided both sides of board and shall be measured as single side/board ), complete all as specified and directed.

Sch 'A' Part-V ( EXTERNAL ELECTRIFICATION)

Supply , laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 16.00 sq mm 2 core complete all as specified and as directed.

Supply , laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 10.00 sq mm 2 core complete all as specified and as directed.

S&F in replacement of MCBs, SPN, 32 Amps, 230 volts, 10 kA rupturing capacity, C curve type complete all as specified and as directed.

S&F in replacement of sheet metal enclosure DB SPN 2 way, single door, 230 volts AC, surface mounting complete all as specified and as directed.

Trenchless Boring by mechanical means and inserting 150 mm dia,high density polyethylene pipes (HDPE) with 0.4 MPa working pressure complete with jointing material for laying /passing of cables underneath the existing PTT atleast 30 cm below the lowest layer of track complete all as specified and directed . Notes: (i) The cost of HDPE pipe shall deem to be included in the unit rate. (ii) The unit rate shall be inclusive of boring by mechanical means required for inserting HDPE pipe including provision of PCC chamber of internal size 60 cmX60 cm and 30 cm below bottom of HDPE pipe, at both ends of HDPE pipe complete with flush RCC cover 80 mm thick including handle after completion of work and removal of surplus soil to a distance not exceeding 250 metre compete all as specified and as directed..

Dry sand cushioning by providing a layer of 8 cm before laying the cable and 15 cm after laying and stretching the cable complete all as specified and directed. Note:-Punned thickness shall be measured and paid to the contractor.

Well brunt sub class 'B' (Old size) bricks laid dry flat with width equal to length of brick as cover for protection of cable complete all as specified and directed.

Galvanized steel wire 4 mm dia as continuous earth wire laid in trenches and jointed with main earth plate by means of soldering/form jointing complete all as specified and as directed .

Supply and fixing LT busbar chamber box of minimum size 30 cm (Height) x 30 cm (Width) x 30 cm (Depth), outdoor type, single door type, front opening type suitable for 230 volts,1 phase, 2 wire (100% neutral), 50 Hz supply system all as specified and directed. Box made out of 3 mm (outer) CRCA sheet factory made weather proof, dust proof and vermin proof duly powder coated with 02 Nos aluminum busbar 100 Amps, 50 cm each (each busbar having 2 Nos of nuts, bolts, washers) horizontally placed on insulators suitable for & including lockable door arrangement complete with interconnections with aluminium solid strips, busbar chamber mounted on angle iron 40x40x6 mm frame having 4 Nos legs 45 cm long of 40x40x6 mm angle iron, 15 cm grouted in PCC( 1:2:4) and 30 cm clear space from ground level including fixed on angle iron frame complete all as specified and directed by Engineer-in-Charge (Note: Panel shall have a front opening with cable entry from the bottom).

Earthing complete with galvanized steel earth plate electrode 600mmX600mmX6 mm thick buried directly in ground vertically to depth not less than 2.25 mtr deep below ground level connected to and including galvanized earth wire 4.00 mm dia upto 7.5m , by means of nuts, bolts and washers of galvanized iron or steel including PCC pit in PCC 1:3:6 type C-1 flush, 40 mm thick RCC cover with 1:2:4 type B-1 using 20 mm graded crushed stone aggregate and TMT bars 8 mm dia @ 100mm c/c both ways with suitable handle, excavation and earth work in any type of soil, light grade GI 15 mm bore watering pipe funnel and wire mesh and light GI protection pipe 20 mm bore complete all as shown on electrode plate No 3 of SSR 2009 (Part-l) and testing on completion complete all as specified and as directed. Note:- GI earth wire and 20 mm bore GI protection pipe up to 7.5 m is deemed to be included in the unit rate quoted against this item.

Taking out existing serviceable runway light fittings including demolition of PCC complete and kept in safe custody for and including re-fixing in position after increasing the height of spike complete all as specified and as directed by Engineer-in-Charge

Laying only and jointing cable any type of different sizes and lengths in trenches complete including provision of adhesive tape self-sealing making colour tape to indicate name of feeder for identification purposes providing at each end of the cable before male/ female sockets complete all as specified and directed.

Taking out cable loop from trenches and connecting the feeder cable with adopter transformer/lights and increase the height of existing spike with new spike including testing of cable for continuity and insulation resistance before and after connection. Providing feeder identification mark on the cable made of small metal disc of size 1 inch dia, feeder number engraved tied with metal GI wire at an interval of 500 metre complete all as specified and as directed.

Fixing and testing of any type of runway fittings complete with spikes, glass filters bulbs, breakable coupling and isolating transformer (in separate PCC chamber) in PCC blocks including grouting of nuts and bolts (PCC for chamber and blocks , is to be measured and paid for separately) complete all as specified and directed by Engineer-in-Charge Note for item nos 5.12, 5.13 and 5.14 :- Cables of any type, any size and adhesive tape self sealing, spikes, runway fitting complete with anchor plate nuts & bolts of any type will be issued under Schedule 'B' free for fixing/laying. Handling of these stores from MES Store Yard to site of work shall deem to be included in the unit rate quoted against respective item.

Joint marker complete with spike welded with 100 mm dia, 6 mm thick GI disc duly embossed with cable size and type for runway cable complete all as specified and directed Engineer-in-Charge.

Cable route indicator complete with spike welded with 100 mm dia, 6 mm thick GI disc duly embossed with cable size any type complete all as specified and as directed by Engineer-in-Charge .

GI tubing 32 mm bore light grade with all fittings laid in trenches/ floors or fixed to wall complete all as specified

Straight through joint epoxy based suitable for runway cable of size 3 KV, 6 Sqmm single core of copper or aluminum complete all as specified and as directed.

CI cover plate of size 380 mm x 500 mm x 6 mm thick for protection of insulation transformer complete all as specified and as directed

Sch 'A' Part-VI PAINTING / MARKING TO RUNWAY , PTT DISPERSAL AND ORA

Painting lines, dashes, arrows, letters etc. on roads, pavements and the like exceeding 10 cm wide with two coats of road marking paint (water based) white/ any other colour approved by user over a coat of primer including preparation of new concrete surface/black top surface complete all as specified and as directed.

Sch 'A' Part-VII ( RAISING OF SHOULDER OF PTT/LINK. EXCAVATION & EARTH WORK and COMMON NATURE ITEMS)

Excavation over areas not exceeding 1.5 m in depth and getting out in any type of soil including stone boulders of any size , complete all as specified and directed by Engr-in-Charge.

Excavation over areas exceeding 1.5 m in depth but not exceeding 3 m and getting out in any type of soil including stone boulders of any size , complete all as specified and directed by Engr-in-Charge.

Surface dressing not exceeding 15 cm deep, in any type of soil complete all as specified

Add to (or deduct from) item No 7.03 above for every 3 cm or part thereof above or below 15 CM average depth in any type of soil complete all as specified

M & L for Forming embankments for shoulders of runway and taxi track using approved earth brought from out side MOD land , at a distance not exceeding 50 KM , including raising (or lowering) earth, spreading in layers n exc. 30 cm thick; watering, ramming/rolling and finishing to required size, shape, etc.of height as directed from base and rolling and consolidating formation surface using power roller exc 8 ton and not exc 12 ton including watering and consolidating to a required gradient and camber, to achieve 95 % of MDD complete all as specified and directed . Note :-(a) Contractor shall bring the earth for Forming embankments from the Quarry as approved by the GE .

Returning and filling including spreading, leveling, watering and well ramming in layers not exc. 25cm, complete all as specified and directed.

Surface excavation not exceeding 30cm deep and averaging 15 cm deep and getting out in any type of soil complete all as specified

Excavation in trenches in any type of soil not exceeding 1.5 wide and not exceeding 1.5 metre in depth for laying of cables, pipes etc. and getting out complete all as specified and directed.

Removing excavated material at a distance not exceeding 50 mtr and depositing where directed at a level not exc 1.50 mtr above the starting point complete all as specified and as directed

Removing excavated material at a distance exceeding 50 mtr but not exceeding 100 metre and depositing where directed at a level not exc 1.50 mtr above the starting point complete all as specified and as directed

Total amount of Sch 'A' part-VIII ( Schedule of Credit Work) SCHEDULE "A" PART-VIII( SCHEDULE OF CREDIT ) Amount of Credit of RS 12300 .00 for retrieved material mentioned in Sch 'A' Part-VIII of Tender documents in PDF form which will be deducted offline during acceptance of Tender

Brahma Infra

M M SHAWL Engineers and contractors pvt ltd

KCC Buildcon Private Limited