REPAIR/ MAINT TO NLB AREA OF MRW, SUBSIDARY RUNWAY, PTT , TAXI LINK , BAY MARKING , MARKING IN FOD LANE, TOUCH DOWN AREA , THRESHOLD AREA, LCA DISPERSAL, CENTRE LINE, HELIPAD , NLB AND REPAIRS TO PQC, PCC IN ACCESS ROADS AREA AT AIRFIELD

Amount

SCHEDULE A BOQ

Note for all items of this BOQ :-

SITE FOR EXECUTION OF WORK :- Tenderer shall note that entire work shall be executed at Runway / taxi track/ Tarmac & around of airfield area.

Due to continuous Flying commitment at Sulur Station, site for execution of work will be available only on Saturday, Sunday, Holiday and non flying days as decided by the ATS authorities.

The tenderer has to arrange his working programme accordingly.

The tenderer has to liaise with the ATS authorities two days prior of his planned works and schedule accordingly.

No claim on account of not giving the entire site after award of work or giving the site in piecemeal manner will not be entertained by the department at any stage.

The quoted rates shall be deemed to be inclusive of above mentioned aspects.

M & L for repair to existing construction joints of flexible pavement of size 10 to 20 mm wide and 25 cm depth (average) consisting of following activities

Raking out old decayed/damaged existing sealings compound and cleaning the joints thoroughly by removing dust, dirt foreign material by appropriate electric cutter / diamond cutter and Air Compressor. After cleaning the joints thoroughly, it shall got approved by GE before progressing further.

Removing the existing sealing composing from the edges, bottom and sides of the joints by cutting edges, bottom and sides of the joints 1 mm of the existing construction joints (upto full depth of existing joints) by mechanical tool (diamond cutter) to make the cross section of joint truly rectangular. Note :- Cleaning the edges/sides/bottom of joints by using diamond cutter only and clean surfaces shall got approved by GE. When the cleaning process approved by GE, primer and joint filling done in presence of Engr-in-Charge.

Once again cleaning the joints with compressed air and applying two primer coats upto the 10 to 15mm or above bake up rod depth & width of the existing joints after an interval of 30 minutes to complete prepred surface the joints.

Sealing the joints with polyurethane joints sealant/ X-Seal traffic loop resin type component flexible polyester loop lighting (upto 10 to 15mm or above bake up rod of existing joint) all as per manufacturers instruction including applying masking tap on edges of joints to prevent accidental spillage of sealent on top surface and removing the tap after sealent is applied complete all as specified and directed.

Note for item No 9 to 13 :- (i) Material shall confirm to BS (manufacturer : FOSROC (COLPOR-200 gray) or Chemtallraj India Pvt Ltd. (RALLITHANE) OR STP Ltd (Shalifax PU) OR CICO OR Cippy ply seal. And CALIBUR Construction chemistey- X-seal traffic loop-power component.

Electric supply shall be arranged by the contractor at its own arrangements and rate deemed to be inclusive.

S & F SS Sign board pattern (SS to SS-7), fully retro reflective sign board made of 3mm thick ACP (Aluminum composit panel) sheet framed with 40mm round SS pipe having front/back (both) side entire surface fully bonded with retro reflective sheeting of HIP (High Intensive Prismatic) grade having pressure sensitive adhisive. boarders and message as indicated cut out. Back ground in Blue and matter in white colour tape having two posts of 50mm round SS pipe 3.0mtr long including excavating post holes of 30 x 30 x 30 cm and embedded in PCC 1:3:6 and including taking down and removing rubbish material to outside MD land complete and as directed by Engineer-in-charge

M & L Providing 75mm thick plain cement concrete 1:4:8 type D2 (using 40 mm graded crushed stone aggregate) as in sub base to tiles complete including demolition of concrete and removing rubish material to out side MD land all as specified and directed .

M & L Hardcore of gauge not exceeding 63 mm of broken stones or boulders, deposited, spread and levelled in layers not exceeding 15 cm thick, watered and rammed to a true surface including demolition of existing undulated hardcore surface and removing the same complete all as specified and directed.

M&L taking down the cover slab/ welded wire mesh/ steel channels etc of existing covered Rain water pit of size 6 meter dia, cleaning up to depth 7.0 meter removing mud/silt, vegetation growth, plants/small trees etc to ouside MD land, and refix the cover slab after cleaning of pit including repairing of cracks in cement mortar (1:3) where noticed in surface and making good complete all as specified and as directed.

Note for item No 19 :- (a) The work to be executed in highly restricted area.

(b) The unit rate is deemed to be included for removing of the mud/silt obtained from the rain water pit and accumulated earth of any width and depth upto 15 cm cleaning/cutting the grass with hand operated petrol/kerosene driven grass cutting machine and removing the grass waste around 1m from the outer wall of the rain water pit to outside MD land. The periodicity of cutting of grass shall be before commencement of work and after completion of repairs

(c) The unit rate deemed to be considered for First Aid and necessary safety arrangements equipment’s to be provided by the tenderer for workman.

(d) The tenderer shall adhere to time frame as per the user’s requirement and as per demand. The demand and the location of work will be intimated either by the rep of user/ MES rep well in advance. In case of failure to attend the demand in time penalty will be levied for each day @ Rs 500/ for non-completing the requirement till completion of work. The nature of the work related to Airfield maintenance, hence the delay is not acceptable.

M&L in repairs welded steel wire fabric cut to length,bent to shape required and tying with and including annealed mild steel wire not less than 0.9mm dia or fixing with galvanised steel staples supplied and fixed complete to wood or steel members not excceding 4Kg/Sqm complete all as specified and directed.

M & L cutting, removing damage portion of concrete surface in square/ rectangular shape for depth of 20 to 30mm thick, cleaning the surface with wire brush or cloth and removing the dirt including the wetness and dampness by means of dryer and supply and laying geo polymer based "Geo Krete - of Make eco materials or equivalent in Fosroc chemicals/ Tiki Tar/ M/s STP Limited/sika india pvt ltd rapid setting curing free semi levelling structural mortar of single compound activated by water for quick construction & levelled the surface to match with existing surface all as per manufacturer’s instructions as specified & directed. The geopolymer based water impermeable concrete resurfacing mortar shall have compressive strength of 15 M Pa in 2 hours and 50 M Pa in 28 days without any water curing and curing compounds having a water penetration of less than 2 MM when tested as per DIN 1048 and RCPT valve of less than 800 coloumbs when tested as per ASTM C 1202.

Note for Item No 25 :- The tenderer shall take into consideration the following points while quoting rate for above item:-

(a) The rate deemed to be included for making good to disturbed portion around the area where material are applied.

(b) Material shall be procured from the authorised manufacturer only.

(c) The work shall be carried out through authorized and qualified applicators of the manufactor only in presence of departmental rep.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth for foundation, cesspits, manholes, pier holes, etc. and getting out in hard/dense soil complete all as specified and directed.

M&L Plain cement concrete (1:3:6) type C2 (40 mm graded stone aggregate) as concrete bed to drain pipes including packing under and haunching against the sides of pipes after they are laid and tested for pipes of size 150 mm bore of pipe, complete all as specified and as directed.

S & F Reinforced concrete pipes class NP-2 with one collar per length of pipe laid fixed to trenches 150 mm bore including demolition of existing pipe complete all as specified and directed.

Demolition of brick work or stone/ boulder masonry, built in cement mortar including all quoins, pillars etc., including removing debris material to out side MD land complete all as specified and directed.

M&L Brickwork with fly ash bricks using modular size bricks, straight or curved on plan exc 6m mean radius built in CM 1:6 complete all as specified and as directed

M & L Walling of random rubble, masonary (harder stones), uncoursed, well bonded, bedded and solidly hearted, built in cement mortar 1:6 complete all as specified and as directed.

Supply only water proofing compound

M & L Rendering 15 mm thick in two layers on brick or stone or concrete surfaces,first coat 10mm thick in cement mortar 1:6 and 2nd coat 5mm thick in cement mortar 1:4 mixed with water proofing compound as per manufacturer instructions finished even and smooth without using extra cement complete all as specified and directed. Note : WPC shall be measured and paid seperately under relevant item here-in above.

M&L Carrying out skid resistance test (SRT) on flexible and rigid pavement by using british pendulum SRT device and the test shall be carried out in grid pattern of 5m x 5m. The reading shall be taken on dry surface and wet surface condition at each point of surface, five reading shall be taken on each point and average shall be considered. Approximate area is 150000 sqm. Frequency of test shall be decided by air force authorities. Test standard and test procedure are mentioned in airport service manual, to find out the coeffcient of friction of runway before and after the treatment. The report shall be prepared and to be submitted duly recommendation with remedial measures in five copies alongwith photographs.

Note for item No 38:- The T&P like british pendulum SRT device and manpower required to execute above job shall be arranged by the contractor and no extra cost will be paid for the same.

M&L 100 mm thick PCC 1:2:4 type B-1 using 20 mm graded stone aggregate, as in flooring/paths/paving etc laid in panels , surface finished even and smooth without using extra cement including making 10mm joints with 40mm depth of PCC at every 3 metres and at every change of direction and filling the same with & including bitumen and sand 1:2 sealing compound by weight complete including demolishing existing concrete and disposal to outside MD land all as specified and as directed.

M & L remove the existing damaged filled sealing compound including polyethylene rod by raking end using blow lamp and cleaning of expansion/construction/dummy joints of concrete pavement free from dust and applying masking tape on edge of joint to prevent accidental spillage of sealant on top surfaces to give a neat finish to the sealant,provision of polyethethylene backup, rod 25-35mm dia in expansion joint and sealed with 10-12 mm thick polyurethane based sealing compund confirming to BS 5212-1990 or equivalent of approved colour after application of suitable primer and removing the masking tape after the sealant filling etc complete all as specified and as per manufacturers instructions. Note :- The size of the joint is 20 to 30 mm wide for expansion joint.

Note for item No 41:- (a) The existing sealant compound shall be taken out completely using blow lamp and joint shall be cleaned with wire brush and loose particles dust etc shall be removed by using hand pump before applying primer.

(b) Any spillage of material during filling over the slab shall be removed and cleaned by contractor and any damage accrued to the concrete slab will be made good by the contractor without any extra cost to the department.

M & L remove the existing damaged filled sealing compound including polyethylene rod by raking end using suitable equipment and cleaning of joints of Bitumen pavement in full depth, 15-20cm deep and clean the joint properly to make free flow for water to drainout easly from the joint and free from dust and applying masking tape on edge of joint to prevent accidental spillage of sealant on top surfaces to give a neat finish to the sealant,provision of polyethylene backup rod 10 mm to 15 mm dia in joint and sealed with polyurethane seleant based or equivalent sealing compound, 10 mm-12mm thick above back up rod confirming to BS 5212-1990 or equivalent of approved colour after application of suitable primer and removing the masking tape after the sealant filling etc complete all as specified and as per manufacturers instructions. The size of the joint is 8mm to12mm wide for construction/dummy joint.

Note for item No 44 :- (a) The existing sealant compound shall be taken out completely using blow lamp and joint shall be cleaned with wire brush and loose particles dust etc shall be removed by using hand pump before applying primer.

(b) Any spillage of material during filling over the slab shall be removed and cleaned by contractor and any damage accrued to the concrete slab will be made good by the contractor without any extra cost to the department.

M&L DTGM board black colour 4mm thick acrylic sheets 02 Nos each of size 1.50 x 1.20 m with 100 mm dia air pressure clearance circle 8 Nos on each board including acrylic polishing, fixing of retro reflective stickers (red colour) of length 1.00 m and width 0.15m on each board, fixing the boards to 3 nos of 63mm dia PVC pipe heavy duty (Class 5 -IS 4985) 10Kgf/Cm2 as vertical post of approx height 2.48 m each pipe covered at top with PVC caps on each pipes and inter connecting the vertical PVC pipes at top,middle, bottom portion with 25mm dia PVC pipes 15 Kgf/cm2 (IS 4985) fixed with PVC bushes and screws, erecting the frames in GI/MS pipes etc including taking down existing one complete and all as directed by Engineer in charge.

M&L Retro Reflective tape in any pattern, shape/number/letters on old existing boards after cleaning including removing of existing letters/tape complete all as specified and directed.

Demolition of existing un-reinforced Cement Concrete in ground floors and pavings not exceeding 15 Cm thickness complete all as specified and directed.

Removal of excavated material to a distance exceeding 1.50 Km and not exceeding 5.00 Km and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed.

M & L for Providing & Laying Dry lean Concrete (DLC) 100 mm 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, transprted to site and laid by electronic sensor paver including spreading and compacting using high amplitude tamping bars of paver (initial compction) 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.

Note for Item No 51 :- No price adjustment shall be applicable if excess quantity of cement than the minimum is used/ approved based on mix design in the execution of work under this item.

M & L Pavement Quality Cement 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 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 7.50m width, including curing and tining by Texturing cum Curing Machine complete all as specifed and directed. Required surface texturing to be done as specified in Clause 10.1.14 and Table 9 of IRC:15-2017.

Note for item No 53 :- (a) Construction Joints/dummy joints and expansion joints shall be measured and paid seperately under respective items.

(b) Deduction shall be made in computing concrete quantity for expansion joints.

(c) Contractor shall consider 360 kg of cement per cum of concrete while quoting this item. Actual quantity of cement shall be used as per approved design mix. No price adjustment shall be applicable for excess quantity of cement content i.e beyond 360 kg as per approved design mix in execution of work

(d) Non circular synthetic fiber shall be mixed in the " PQC" @ 0.25% of cement all as per manufacturers instructions and as directed by Engr-in-charge.

(e) Supply only of POLYESTER TRIANGULAR/non circular synthetic fibre shall be measured and paid seperately.

(f) Cost of brooming and belting shall be measured and paid seperately.

(g) Cost of steel formwork and testing as specified shall be deemed to included in the rate quoted by the tenderer

(h)Maximum working temperature shall not exceed 30 degree centigrade of atmosphere.

(j) Supply only of POLYESTER TRIANGULAR/non circular synthetic fibre shall be measured and paid seperately.

(k) Cost of brooming and belting shall be measured and paid seperately.

(l) Cost of steel formwork and testing as specified shall be deemed to included in the rate quoted by the tenderer.

(m)Maximum working temperature shall not exceed 30 degree centigrade of atmosphere.

Supply only polyester triangular/Non circular synthetic fibre for pavement quality concrete PQC surface complete all as specified and directed.

S & F one layer of polythene film (transparent colour) 400 micron thickness as per ASTM D2103/IS 2508 laid over tack coat with side and end overlapping not less than 300mm all as approved by GE.

Note for Item No 67 :- Measurement shall be taken for net area and unit rate quoted shall deemed to include for over lapping.

M & L 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 1/4th 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 BS-5212, 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 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 pre-molded 25 mm 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 pouriing the sealant. Placing of closed cell, medium density, crossed linked polyethylene foam backup rod of 30 mm dia, over filler board and filled with polyurethane based sealant complying with BS-5212, 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 Cutting of construction joints 25 mm deep and 10 mm wide by early 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 minutes before placing the backup rod and pouring the sealant. Placing of closed cell, medium density, crossed linked polyethylene foam backup rod of 12 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 BS-5212, 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 Cleaning of existing cover drain / open drain of any width and depth upto 15 cm by using jet water pressure mechanical pump,suction pump and removing mud/silt, vegetation growth, plants/small trees etc to a distance 50m , including repairing cracks in cement mortar (1:3) where noticed in surface of drain all as specified and as directed.

Note for item No 72 :- (a) The work to be executed in highly restricted area.

(b) The unit rate is deemed to be included for removing of accumulated earth of any width and depth upto 15 cm cleaning/cutting the grass with hand operated petrol/kerosene driven grass cutting machine and removing the grass waste around 1m from both side of the drain to outside MD land Note: Periodicity of cutting of grass shall be before commencement of work and after completion of repairs.

(c) The unit rate deemed to be considered for First Aid and necessary safety arrangements equipment’s to be provided by the tenderer for workman.

(d) The tenderer shall adhere to time frame as per the user’s requirement and as per demand. The demand and the location of work will be intimated either by the rep of user/ MES rep well in advance. In case of failure to attend the demand in time penalty will be levied for each day @ Rs 500/ for non-completing the requirement till completion of work. The nature of the work related to Airfield maintenance, hence the delay is not acceptable.

M&L Applying one coat of white wash on walls /concrete pavement surface including preparation of old surfaces all as specified and as directed.

Note for item No 77 :- White wash shall be carried out two or more times at an interval as required by air force authorities at ORA 05 & 23 END only. Payment of each coat shall be measured and paid seperately.

M&L Applying two coats of water based road marking paint such as lines, dashes, arrows, letters, boxes etc on roads, pavements and the like including preparation of surfaces by brushes/ mechanical grinder/sand papers, making surface rough to hold paint exceeding 10 cm wide all as specified and as directed. Note: The cost for using spraying machine including necessary DG Set required to operate machines used for scraping / removal of existing paint deemed to be inclusive in the above quoted rate. Make of road marking paint :M/s Asian paints, M/s Jenson and Nicholson, M/s Berger paints

Note for item No 79 :- (i) During week days site will be available for approximate 4 to 5 hours only due to aircraft movements such as landing/takeoff .

(ii) During weekend days site will be available for 5 to 6 hours. Tenderer shall consider the above points while quoting the rate and no extra payment shall be claimed by the tenderer on account of this.

M & L applying one coat of water based paint of black colour on runway/taxiway/apron or other airfield markings of any size and length on runway/taxiway/apron or other airfield markings of any size and length including letters and numeral markings with suitable mechanical pavement marking machine, including removal of existing complete painted area and cleaning of the area by means of wire brushes/ mechanically complete and removal and surfaces not exceeding 10 cm wide where directed and all as specified and as directed.

M & L applying two coat of water based paint of yellow/orange colour on runway/taxiway/apron or other airfield markings of any size and length including letters and numeral markings with suitable spray machine , including removal of existing complete luminious paint area and cleaning of the area by means of wire brushes/ mechanically complete and removal where directed and all as specified and as directed.

M&L Filling the pit holes in concrete surfaces of size n exc 15mm in dia and 20mm in deep by using a mixture of quartz sand No 9 -450 parts by weight, Hardner Hy 140-50 parts by weight and araldite GY 257-100 parts by weight to form a hard paste and filling the pit holes after cleaning the dust particles with blower and applying primer coat with epoxy resin of mix with formulation of 100 parts of araldite GYZ 57 and 50 parts of hardner Hy 840 by weight and ramming with hammer to make a uniform surface to match with the existing concrete surfaces all as specified and as directed.

Note for item No 84 :- (a) Contractor shall provide 02 Nos of skilled manpower to execute the job on as required basis all as per directed by Engineer in charge.

(b) A pucca register shall be maintained by the contractor and signature of Engr -in-charge and air force authorities to be obtained daily to authenticate the presence of labourers. payment will be made on day basis. This register will form part of RAR/final bill for making the payment.

(c) The contractor shall adhere to time frame as per the user's requirement and as per demand. The demand and the location of work will be intimated either by rep of User/ MES rep well in advance. Incase of failure to attend the demand in time penalty will be levied @ Rs. 500/- per day for non completing the requirement till completion of work. Note that this penalty is exclusively other than condition 56 of IAFW-2249 and shall be treated as interim condition of the contract.

(d) The nature of work is related to Runway Maintenance. Hence no delay is acceptable.

(e) The decision of the Accepting Officer in this regards shall be final and binding.

M & L Preparing of old black top surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surfaces using air blowers to remove all loose dirt etc complete and applying cold Polymer Modified bitumen Emulsion (PME) Rejuvenator by spraying with machine of total liquid PME 1.00 Ltr per sqm (undiluted) for one coat with mineral filler as recommended by manufacturer of PME (after diluting with water), each coat diluted in the ratio 1:1 (PME : Water) and ensure uniform finish of PME on Runway surface.PME shall be applied using mechanically operated pump with compressor and nozzle arrangement at uniform pressure and rate, all as per manufacturer instruction and all as specified and as directed by Engineer-in-charge.

Note for item No 90 :- The tenderer shall take into consideration for following points while quoting rate for above item:-

(a) Due care shall be taken for friction parameters during application of PME as per ICAO standard and friction test shall be carried out on newly PME applied surface by using continous friction testing machine.

(b) Friction parameters shall be between 0.3-0.6 after application of PME. It will be the responsibility of the tenderer to arrange portable skid resistance Tester (PSTR) and carry out necessary testing as directed without any extra cost to Govt

(c) Material shall be procured from the authorised manufacturer only.

(d) The work shall be carried out through authorized and qualified applicators of the manufacturer only in presence of departmental and user representative.

(e) Two year warranty of material performance and application performance shall be obtained by the tenderer from the authorized manufacturer of PME and the same shall be submitted to GE on completion of work as specified . Warranty includes the fact that the structure will remain water tight and no further cracks will be formed, excluding damage caused by natural calamities. Permeability test (ASTM D 2434) to be conducted on the surface prior and after to application of treatment.

(f) A performance guarantee certificate for two years shall be submitted by the tenderer to GE on completion of work as specified.

(g) care shall be taken to fill gaps/cracks up-to 3mm size with mineral filler as per manufacturer's instructions.

(h) Mineral filler (fibrous cum quartz powder) shall be added as per manufacturers instruction.

(j) Electric supply shall be arranged by the tenderer at its own arrangements and rate is deemed to be inclusive.

(k) The tenderer shall adhere to time frame as per the user's requirement and as per demand. The demand and the location of work will be intimated to the tenderer either by rep of User/ MES rep well in advance. In case of failure to attend the demand in in time, penalty will be levied for each day @ Rs. 1000/-per day for non completing the requirement till completion of work. This penalty is exclusively other than condition 56 of IAFW-2249 and shall be treated as interim condition of the contract.

(l) The decision of the Accepting Officer in this regard shall be final and binding.

(m) The nature of work is related to Flight safety. Hence no delay is acceptable.

(n) minus price adjustment shall be applicable if quantity of PME using less than specified and the rate shall be worked out based on paid voucher and market enquiry.

(o) plus price adjustment shall be not applicable if quantity of PME Applied more than specified as per surface conditon is required.

M & L Preparing of old black top surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface using air blowers to remove all loose dirt etc complete and applying of slurry seal containing cold Polymer Modified Emulsion (PME), fine aggregate, mineral fillers, water and spraying the material (slurry seal) having average thickness of 6 mm as per site condition, should be designed such that the initial setting time should be of 2-3 hours but not more than 4 hours and ensure uniform finish of area complete all as per manufacturer’s instructions and all as specified and as directed by Engineer-in-Charge. The mixing of PME and specially designed filler should be mixed in the ratio 2.5 : 1 (filler : PME) to form slurry and should be done mechanically by high power agitator 90 RPM.

Note for item No 107 :- The tenderer shall take into consideration for following points while quoting rate for above item:-

(a) Due care shall be taken for friction parameters during application of PME as per ICAO standard and friction test shall be carried out on newly PME applied surface by using continous friction testing machine.

(b) Friction parameters shall be between 0.3-0.6 after application of PME. It will be the responsibility of the contractor to arrange portable skid resistance Tester (PSTR) and carry out necessary testing as directed without any extra cost to Govt.

(c) Material shall be procured from the authorised manufacturer only.

(d) The work shall be carried out through authorized and qualified applicators of the manufactor only in presence of departmental and user representative.

(e) Manufacturer should have sucessfully completed the similar work at defence airfield.

(f) Two year warranty of material performance and application performance shall be obtained by the contractor from the authorized manufacturer of PME and the same shall be submitted to GE on completion of work as specified . Warranty includes the fact that the structure will remain water tight and no further cracks will be formed, excluding damage caused by natural calamities. Permeability test (ASTM D 2434) to be conducted on the surface prior and after to application of treatment.

(g) A performance guarantee certificate for two years shall be submitted by the contractor to GE on completion of work as specified.

(i) Electric supply shall be arranged by the contractor at its own arrangements and rate deemed to be inclusive.

(j) Trial patch of 10 Sqm shall be carried out by the contractor on runway and approval of same to be taken from GE before execution of complete qty.

(k) The contractor shall adhere to time frame as per the user's requirement and as per demand. The demand and the location of work will be intimated to the contractor either by rep of User/ MES rep well in advance. Incase of failure to attend the demand in in time, penalty will be levied for each day @ Rs. 1000/- for non completing the requirement till completion of work. Note that this penalty is exclusively other than condition 56 of IAFW-2249 and shall be treated as interim condition of the contract.

(l) The decision of the Accepting Officer in this regard shall be final and binding.

(j) The nature of work is related to Flight safety. Hence no delay is acceptable.

(k) Minus price adjustmen shall be applicable if quantity of PME using less as specified and shall be work out based on paid voucher and market enquire.

(l) plus price adjustment shall be not applicable if quantity of PME Applied more as specified as per surface conditon is required.

Surface dressing not exc 15 cm deep in soft/loose soil all as specified and as directed.

Levelling of runway shoulders with graider mechanical machine and rolling of surface with road roller of capacity 8-10 tonne, including removal of boulders and other materials obtained from area and all as specified and directed.

Note for Item No 124 :- (a) The contractor shall adhere to time frame as per the user's requirment and as per demand. The demand and the location of work will be intimated either by rep of User/ MES rep well in advance.

(b) Incase of failure to attend the demand in time penalty will be levied for each day @ Rs 1000/- for non completing the requirment till completion of work. Note that this penalty is exclusively other than condition 56 of IAFW-2249 and shall be treated as interim condition of the contract.

(c) The decision of Accepting Officer in this regard shall be final & binding.

(d) The nature of work is related to Air Field maintenance. Hence delay is not acceptable.

M & L rolIing and consolidating formation surfaces in cutting/ filling to the required gradient and camber including filling in depression and hollow, watering, leveling etc., complete using tandem vibratory/ power roller exceeding 8 tonne and not exceeding 12 tonne capacity all as specified and as directed.

Note for Item No 129 :- Rolling and consolidation the formation surfaces to the required gradient and camber under optimum moisture conditions to achieve at least 98% of maximum dry density determined using modified proctor density determination method as per relevant IS code.

M & L moorum/red bajri filling including spreading and levelling in layers not exceeding 15 cm thick, spread, levelled and rammed Including watering and rolled to true surfaces with 8 to 12 Ton capacity power roller to achieve compaction of 98% modified proctor density complete all as specified.

Note for Item No 131:- (i) Moorum/red bajri required shall be brought from outside MD land

(ii) Compaction of moorum filling shall be carried out under optimum moisture conditions up to the standard proctor density not less than 98 percent.

(iii) Measurements shall be taken after consolidation earth and 5% deduction shall be made for payments.

Applying one coat of water based road marking paint such as lines, dashes, arrows, letters, boxes etc on roads, pavements and the like including complete removal of existing surfaces by brushes/ mechanical grinder/sand papers, making surface rough to hold paint exceeding 10 cm wide all as specified and as directed using mechanical pavement marking machine including necessary DG Set required to operate the machine. Complete scraping / removal of existing paint deemed to be inclusive in the above quoted rate.

Note for item No 135 :- (i) During weekdays site will be available for approximate 4 to 5 hours due to aircraft movements such as landing/takeoff.

(ii) During weekend days site will be available for 5 to 6 hours. Contractor shall consider the above points while quoting the rate and no extra payment shall be claim by the contractor on account of this.

Applying Epoxy primer @ 0.45Kg/Sqm over old epoxy surfaces.

M&L Filling the cracks in flexible pavement surface of any size by applying bitumen emulsion @ 0.50 litre per running metre and filled with paste by mixing quartz sand, sand, cement and emulsion in the ratio of 1:10:0.50 and shall be applied in one or two coats to ensure complete filling of the cracks in line with existing pavement strucures complete all as specified and as directed.

M&L 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 the runway and capable to be applied directly on damp pavement also and coverage shall be 24.20 meter/Ltr for 6mm (width) x 6mm (Depth) crack or 6.05 meter/ L for 13mm x 13mm crack or 2.10 meter/ L for 25mm x 25mm crack complete all as per manufacturer's instructions as specified and directed. Note: Back-up rod to be used in case depth is more than 25mm.

M&L Chipping out neatly and cutting of existing loose concrete of crack at Runway/taxi track/Pavement by using saw cutter, Cutting of crack portion shall not be less than 100 mm wide and 25 mm deep and clearing of all loose material with air blower/sand blaster and the portion applying proprietory primer on surface to obtain tack and finally filled by Elastomeric concrete mix shall be prepared as per manufacturer instruction to obtain true surface and finally set the surface with hand tools complete all as specified and directed. Make:-M /s Fosroc Chemicals - Patchroc Chemicals, M/s STP Limited- ShaliPatch.and M/s Choksey Chemicals Pvt Ltd. -Flex 0 patch.

Note for item No 141 :- The tenderer shall take into consideration the following points while quoting rate for above item:-

(a) Providing masking tape at joints/ on edge of cut portion and necessary formwork required if any at spalled joints edge to prevent accidental spillage of concrete on top surfaces to give a neat finish. The quoted rate is deemed to be inclusive of this provision.

(b) The rate is deemed to be included for making good the distrubed portion of joint filling around the area where material are applied.

(c) Material shall be procured from the authorised manufacturer only.

(d) The work shall be carried out through authorized and qualified applicators of the manufacturer only in presence of departmental and user representative.

'RUNPHALT' bitumen tubing/ rope for filling of cracks on the runway width of crack 5mm to 7mm with the help of screw driver pushing it inside the crack then apply direct flame 20-30 second through torch method complete all as per manufacturers instruction and as directed by Engineer-in-Charge. Make:- M/s Srijan System PVT Ltd or equivalent as approved by GE

RUNPHALT' bitumen tubing/ rope for filling of cracks on the runway width of crack 8mm to 10mm with the help of screw driver pushing it inside the crack then apply direct flame 20-30 second through torch method complete all as per manufacturers instruction and as directed by Engineer-in-Charge Make:- M/s Srijan System PVT Ltd or equivalent as approved by GE

M & L remove the existing damaged filled sealing compound including polyethylene rod by raking end using blow lamp and cleaning of expansion/construction/dummy joints of concrete pavement free from dust and applying masking tape on edge of joint to prevent accidental spillage of sealant on top surfaces to give a neat finish to the sealant,provision of polyethethylene backup, rod 15-20mm dia in expansion joint and sealed with 10-12 mm thick polyurethane based sealing compund confirming to BS 5212-1990 or equivalent of approved colour after application of suitable primer and removing the masking tape after the sealant filling etc complete all as specified and as per manufacturers instructions. Note :- The size of the joint is 12 to 18 mm wide for any type of joint.

Note for item No 149 :- (a) The existing sealant compound shall be taken out completely using blow lamp and joint shall be cleaned with wire brush and loose particles dust etc shall be removed by using hand pump before applying primer.

(b) Any spillage of material during filling over the slab shall be removed and cleaned by contractor and any damage accrued to the concrete slab will be made good by the contractor without any extra cost to the department.

A.GOVINDARAJ

T C KARUNANITHI

T SANJEEV KUMAR

kaarthic builders

G Perumal and co

KRISHNA ENTERPRISES

SARASWATHI CONSTRUCTION

KUMAR AGENCIES

Neptune Engineers and Builders