REPAIR / MAINT TO FLEXIBLE PAVEMENT IN MRW, CRACKS FILLING, JOINT FILLING, RUNWAY PAINTING AND OTHER CONNECTED ITEMS

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 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 schedule accordingly.

The tenderer has to liaise with the ATS authorities two days prior to the scheduled day of work.

No claim on account of non availability of the entire site after award of work or handing over the site in piecemeal manner shall be entertained by the department at any stage.

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 particular work. The nature of the work related to Airfield maintenance, hence the delay is not acceptable.

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

M&L for DTGM board black colour 4mm thick acrylic sheets of minimum size 1.50 x 1.20 m and fixing of retro reflective stickers (red colour) on acrylic sheets, fixing the boards to the existing PVC pipe etc including taking down existing broken acrylic board complete all as specified and as directed.

M&L for Info Sign Boards of 4mm thick acrylic sheets of size 1.2m X 0.8m with yellow background and letters, arrows in black colour (retro reflective stickers) on acrylic sheets fixing the boards with suitable aluminium beading/ frames of square hollow tube (25mm x 25mm) on rear side of each board fixed with bolts and nuts and the board fixed on 3 nos of 63mm dia PVC pipe heavy duty (Class 5 -IS 4985) 10Kgf/Cm2 as vertical post of approx height 0.45 m to 1 m using necessaary clamps, screw and bolts and and errected vertically inside the GI pipe 80 mm dia grouting in PCC 1:3:6 type C1 using 20mm graded aggregate for foundation of size 300x300x300mm (3Nos) including taking down existing one complete and all as directed by Engineer in charge. Note: Rate quoted shall also deemed to includes for PCC, GI pipe, PVC pipe and nothing extra shall be entertained by dept.

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 existing GI pipes etc including taking down existing one complete and all as directed by Engineer in charge. Note: Rate quoted shall also deemed to includes for PVC pipe and nothing extra shall be entertained by dept.

M&L for Info sign boards 4mm thick acrylic sheets of any size and fixing of retro reflective stickers (red or any approved colour) on acrylic sheets, fixing the boards to the existing PVC pipe or any other surface etc including taking down existing broken info sign boards complete all as specified and as directed.

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

M&L for repairs to cracks of any description, less than 5mm size by opening up cracks in V-groove manner approximately 6mm x 6mm size using mechanical cutter, cleaning the groove properly to remove loose particles, dust etc, sprinkling with clean water and filling with single component entitious crack filler using readymix powder of cementitious ingredients having compressive strength of 14 N/ mm² after 7 days complete all as specified and as directed. Make M/s STP Limited/ M/s Sika India Pvt Ltd/ M/s Fosroc Chemicals/ M/s Thermex

M & L for grass/vegetation cutting, removal of bushes, leaves, soil or any other waste material debris along the Runway edges and surrounding area of Air Field of any size in width and depth and removing the debris to a distance exceeding 5 Km outside MD land periphery of the airfield all as directed.

Note: The tenderer shall take into consideration for following points while quoting rate for the above item : a) Grass cutting shall be done by using mechanical earth moving machineries with jungle jim attachment as and when required and as directed (b) One Skilled jungle jim tractor operator & 01 Tractor with Jungle Jim attachment to be provided by the contractor as and when required (c) POL for jungle jim tractor to be borne by the contractor (d) Grass cutting with the machinery for 8hrs shall be considered as one day

M&L for Runway edge shoulder dressing by picking stones/ any foreign materials, cleaning/cutting the grass on runway shoulder edges manually or with hand operated petrol/kerosene driven grass cutting machine and removing the materials/ grass waste from Runway edges to a distance exc 250m Note: Contractor shall provide 02 Nos of skilled manpower to execute the job alongwith necessary grass cutting equipments / machineries and POL etc on a required basis as directed by Engineer in charge.

M&L for repairs to runway cracks by using '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

M&L for repairs to runway cracks by using '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 for Cleaning of existing open drain of any width and depth by using jet water pressure mechanical pump, suction pump and removing mud/ silt, vegetation growth, plants/small trees etc to a distance outside MD land, including repairing cracks in cement mortar (1:3) where noticed in surface of drain complete all as specified and as directed.

M&L for Demolition of cement concrete of any description and in any position complete all as specified and as directed.

M&L for removal of demolished material outside MoD land complete all as specified and as directed.

M & L for 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 all as specified and as directed.

M&L for 100mm thick, plain cement concrete (1:1(1/2):3), type A-1 (using 20 mm graded stone aggregates), as in hardstanding including making joints @ 3.00 metre intervals and at each corner, the joint shall be filled with mastic filling (to full depth) comprising of one part heated hot blown bitumen 85/25 & two parts heated sand (by volume), surface finished even and smooth without using extra cement complete all as specified and as directed. Note :- The concrete shall be laid in stretches not exceeding 3 metre in length and width of joint shall not be more than 12 mm.

M&L for 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 complete all as specified and as directed.

M&L for 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 29 above :- (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.

M&L for removing 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 joints to prevent accidental spillage of sealant on top slab surfaces to give a neat finish, provision of polyethethylene backup rod 10-15mm dia in any type of joint and sealed with 10-12 mm thick polyurethane based sealing compound 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 8 to 12 mm wide for any type of joint.

M&L for removing 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 joints to prevent accidental spillage of sealant on top slab surfaces to give a neat finish, provision of polyethethylene backup rod 15-25mm dia in any type of joint and sealed with 10-12 mm thick polyurethane based sealing compound 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 12 to 20 mm wide for any type of joint.

M&L for removing 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 joints to prevent accidental spillage of sealant on top slab surfaces to give a neat finish, provision of polyethethylene backup rod above 25mm dia in any type of joint and sealed with 10-12 mm thick polyurethane based sealing compound 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 above 20 to 45 mm wide for any type of joint.

Note for item no 31 to 32 above: (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. (c) Make M/s STP Ltd, M/s Pidilite Industries Ltd, M/s Sika India Pvt Ltd, M/s Fosroc chemicals India Pvt Ltd, M/s Choksey chemicals Pvt Ltd

M&L for Levelling of runway shoulders with grader mechanical machine and rolling of surface with road roller of capacity 8-10 tonne, including removal of boulders and other materials obtained from the airfield area complete all as specified and as directed.

M&L for applying one coat of white wash on walls /concrete pavement surface including preparation of old surfaces complete all as specified and as 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 for Brickwork with fly ash bricks using old 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 for Rendering 10 mm thick on brick or concrete surfaces, in cement mortar 1:4 finished even and smooth without using extra cement complete all as specified and directed.

M&L for Carefully lifting/taking out the suspended RCC drain cover slab laid over drain near Air Field of any size upto 1.5 Sqm in plan area without damaging and placing in the orginal position after completion of repair / de-siltting work complete all as specified and as directed at site. Note:- The work area is inside Airfield where the flying operations frequently held. Hence, repair works is to be done as and when site is available with prior permission from air force authority. Proper placing of the RCC cover slabs shall be done at end of the working day. RCC cover slabs must not left and uncovered near the drainage and shall be removed under the supervision/ instructions of site executives only. Relaying cover slabs can be done as per the demand/need of the user unit depending upon the flying operations.

M&L for removing leaves, grass, bushes, soil, plastic bags or any other waste material debries from drain and surrounding area of Air Field of any size in width and depth and removing the debris to a distance exceeding 5 Km outside MD land periphery of the airfield including removing and refixing cover slab after carried necessary repair work in CM 1:3 complete all as specified and as directed

M&L for Preparation of old painted surfaces of steel/iron surfaces of any description, over 10cm in width or girth,not otherwise described and applying one coat of red oxide/zinc chrome primer and one coat of synthetic enamel paint complete all as specified and as directed

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

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