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

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.

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 demolished materials / debris etc. to a distance exceeding 1.5 KM and not exceeding 5 KM and depositing where directed complete all as specified and as directed.

M&L Dry lean concrete of compressive strength not less than 10 Mpa at 7 days with minimum 150 Kg of cement/cum laid and rolled with double drum smooth wheeled vibratory roller of 8 to 10 Ton capacity complete including demolition of concrete and removing to out side MD land all as specified and directed.

Note for Item No 11 :- 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 Cement concrete work in pavement/ hard-standing of flexural strength 40 kg/per square centimetre in field using 400 kg of cement per cubic metre, thickness of concrete 25 cm or less including necessary steel form work along the joints compacting finishing and belting / brooming all as specified and directed.

Note for item No 13:- (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 400 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 400 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.

Supply only polyester triangular/Non circular synthetic fibre (Recron CT-2424 fibre or equivalent as approved by E-in-C Branch) for pavement quality concrete PQC surface complete all as specified and directed.

Supply and laying one layer of polythene film (transparent colour) 400 micron thickness as per ASTM D2103/IS 2508 laid sand cushion with side and end overlapping not less than 300mm all as directed.

Note for Item No 23 :- Measurement shall be taken for net area and unit rate quoted shall deemed to include for over lapping.

M&L forming contraction (Dummy) joints, cutting with diamond cutter to a depth of 100 mm and 3mm wide initially and top 25mm portion cut to 8mm wide to accommodate polyethylene rod 8mm wide and sealant, provision of closed cell polyethylene rod of 10 mm dia sealed with (10mm depth minimum above polyethylene rod) polyeurethane sealant complying with BS 5212 (For type 'FB' fire & fuel resistance) & BS 4254 and EN-141875 - 2003 (For hydrolysis / water resistance test) priming the sides with two coats and with minimum MAF ± 30% (with ten years performance guarantee) and applying masking tape on edges of joint to prevent accidental spillage of sealant on top surfaces to give neat finish to the sealant and removing masking tape after the application of sealant by mechanical means all as specified and directed.

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. Make of road marking paint :M/s Asian paints, M/s Jenson and Nicholson, M/s Berger paints

Note for item No 26 :- (i) 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.

(ii) During weekdays site will be available for approximate 4 to 5 hours due to aircraft movements such as landing/takeoff.

(iii) 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.

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 30 :- 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 forming 25 mm thick expansion joint, filled with compressible synthetic filler board, on top of filler board for complete width of joint, provision of closed cell polyethylene rod 30 mm dia, filled with polyurethane sealant (Minimum depth above polyethylene rod shall be of 10 mm) complying with BS-5212 (For type 'FB' fire & fuel resistance) & BS-4254, and EN - 141875 - 2003 (for hydrolysis / water resistance test) priming the sides, with minimum MAF ±30 % (with ten years performance guarantee) and applying masking tape on edges of joint to prevent accidental spillage of sealant and removing the masking tape after sealant is applied by mechanical means all as specified and directed.

M&L Forming construction joint, 25mm deep and 8 mm wide (using diamond cutter), applying one coat of white wash to the exposed vertical faces of slab, providing polyethylene rod 10mm dia and sealed with Polyurethane sealant (Minimum depth above polyethylene rod shall be of 10 mm) complying with BS: 5212 (For type 'FB' fire & fuel resistance) & BS : 4254 and EN-141875 - 2003 (For hydrolysis / water resistance test), priming the sides, minimum movement accommodation factor (MAF)±30% with ten years performance guarantee) and applying masking tape on edge of joint to prevent accidental spillage of sealant on top surfaces to give neat finish to the sealant and removing the masking tape after sealant is applied by mechanical means complete all as specified and directed by the Engineer-in-Charge

M&L 100mm thick, plain cement concrete (1:2:4), type B-1 (using 20 mm graded mechanically crushed stone aggregates), as in hardstanding including making joints at 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, including demolition of existing concrete and removal of debris out of MD land complete all as specified and as directed. Note :- The concrete shall be laid at a stretch not exceeding 3 metre in length and width of joint shall not be more than 12 mm.

M&L in repairs of mooring rings Making circular hole of dia 200 mm and depth 50 mm in to M40 concrete, cut to shape using concrete by DCH 300 of HILTI DD 200 machine (water cooled), making holes 2 Nos of dia 24 mm and depth 200 mm using TE 70 combi hammer, grouting the holes with HILTI HY 150 injection chemical for 2 holes (Approx 100 ml per hole) & fixing of inverted U shaped 20 mm dia round bars (Mooring Ring) with a minimum of 200 mm anchorage in to concrete and filling up the circular portion of 200 mm dia after grouting the re-bar using solid grout with high flow non-shrink cementious grout "conbextra" after applying a bonding coat using 'Nito Bond EP' as per manufacturer's instructions including 80 mm outer dia ring made out of 16 mm MS round bar fixed into U shaped 20 mm dia bars and painted with two coats of synthetic enamel paint over a coat of zinc chrome primer to exposed surfaces of round bars etc complete all as directed.

M & L 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 debries 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 all as directed.

Note for item No 36 :- (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.

Surface dressing of soft/loose soil n.exc 15 cm deep etc and all as specified and directed.

M&L Applying one coat 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. Make of road marking paint :M/s Asian paints, M/s Jenson and Nicholson, M/s Berger paints

Note for item No 42 :- (i) 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

(ii) During weekdays site will be available for approximate 4 to 5 hours due to aircraft movements such as landing/takeoff.

(iii) 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.

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 46 :- 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 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 48:- 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.

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 54 :- (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 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 polyethylene backup rod 10-14 mm dia in construction/dummy joint and sealed with COLPOR 200 polyurethane based sealing compound 10-12 mm 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 8 to12mm wide for construction/dummy joint.

Note for item no 59 :- (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 accrue to the concrete slab will be made good by the contractor without any extra cost to the department.

(c) 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.

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 63 :- (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.

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 any type of 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. The size of the joint is 12 to 18 mm wide for any type of joint

Note for item no 69 :- (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 accrue to the concrete slab will be made good by the contractor without any extra cost to the department.

(c) 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.

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 73:- 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 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.

Notefor Item No 75 :- (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.

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 area and all as specified and directed.

Note for Item No 79 :- (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 Applying two 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.

Note for item No 84 :- (i) 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.

(ii) During weekdays site will be available for approximate 4 to 5 hours due to aircraft movements such as landing/takeoff.

(iii) 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.

M&L Applying one coat of water based paint of yellow colour 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 and cleaning of the area by means of wire brushes/ mechanically complete and removal where directed and all as specified and as directed.

Note for item No 88 :- (i) 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.

(ii) During weekdays site will be available for approximate 4 to 5 hours due to aircraft movements such as landing/takeoff.

(iii) 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.

M&L repairs to cracks 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

M&L 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 seconds 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 any type of 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. The size of the joint is 12 to 18 mm wide for any type of joint.

Note for item No 94 :- (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) 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.

Description all as per item No 94 above but polyethethylene backup, rod 20-28mm dia in any type of joint and sealed with 10-12 mm thick COLPOR 200 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 18-25 mm wide for any type of joint

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 board and connected pipes and fittings complete and all as directed by Engineer in charge.

Supply and fixing 02 Nos of pre-laminated hylam sheet board water proofing (HPL) 3.00 mm thick of area exceeding 7.5 Sqm but not exceeding 10.00 Sqm with suitable aluminium beading/frame of square hollow tube of size 30 mm x 3 mm thick on rear side of each board fixed with bolts and nuts and fixing reflective things on both side of each board such as numbers, letters ( Minimum 2 Nos letters should be on each face of board ) made by Retro-Reflective sheet 1 mm thick of diamond pattern in any colour, letters of approximate size 340 mm wide and 450 mm height and the board fixed on 02 Nos UPVC pipe of 50 mm dia of approximate length 1.50M each pipe using necessaary clamps, screw and bolts and errected vertically inside the existing GI/MS pipe 80 mm dia grouting in PCC 1:3:6 for foundation of size 500x500x500mm complete all as directed by Engr in charge

Note for Item No 100 :- (a) PCC foundation will be measured and paid separately. However excavation, RFR and removal is inclusive of quoted rate

(b) 2 Nos UPVC pipe of 50 mm dia of approximate length 1.50M each pipe and Retro-Reflective tape and taking down existing one are including quoted rate.

Supply and fixing 02 Nos of pre-laminated hylam sheet board water proofing (HPL) 3.00 mm thick of area exceeding 5.0 Sqm but not exceeding 7.5 Sqm with suitable aluminium beading/frame of square hollow tube of size 30 mm x 3 mm thick on rear side of each board fixed with bolts and nuts and fixing reflective things on both side of each board such as numbers, letters made by Retro-Reflective sheet 1 mm thick of diamond pattern in any colour, letters of approximate size 340 mm wide and 450 mm height and the board fixed on 02 Nos UPVC pipe of 50 mm dia of approximate length 1.50M each pipe using necessaary clamps, screw and bolts and errected vertically inside the existing GI/MS pipe 80 mm dia grouting in PCC 1:3:6 for foundation of size 500x500x500mm complete all as directed by Engr in charge

Note for Item No 103 :- (a) PCC foundation will be measured and paid separately. However excavation, RFR and removal is inclusive of quoted rate

(b) 2 Nos UPVC pipe of 50 mm dia of approximate length 1.50M each pipe and Retro-Reflective tape and taking down existing one are including quoted rate.

Supply and fixing 02 Nos of pre-laminated hylam sheet board water proofing (HPL) 3.00 mm thick of area exceeding 3.0 Sqm but not exceeding 5.0 Sqm with suitable aluminium beading/frame of square hollow tube of size 30 mm x 3 mm thick on rear side of each board fixed with bolts and nuts and fixing reflective things on both side of each board such as numbers, letters ( Minimum 2 Nos letters should be on each face of board) made by Retro-Reflective sheet 1 mm thick of diamond pattern in any colour, letters of approximate size 340 mm wide and 450 mm height and the board fixed on 02 Nos UPVC pipe of 50 mm dia of approximate length 1.50M each pipe using necessaary clamps, screw and bolts and errected vertically inside the existing GI/MS pipe 80 mm dia grouting in PCC 1:3:6 for foundation of size 500x500x500mm complete all as directed by Engr in charge

Note for Item No 106:- (a) PCC foundation will be measured and paid separately. However excavation, RFR and removal is inclusive of quoted rate

(b) 2 Nos UPVC pipe of 50 mm dia of approximate length 1.50M each pipe and Retro-Reflective tape and taking down existing one are including quoted rate.

M&L Plain cement concrete 1:3:6 type C2 using 40 mm graded stone aggregate as in foundationn filling and mass concrete complete all as specified and as directed.

GOVINDAN KUTTY and CO

T C KARUNANITHI

M/s Shana Constructions

KUMAR AGENCIES

A.GOVINDARAJ

CAK Enterprises

Neptune Engineers and Builders

NAVEEN ENTERPRISES

Lucky Enterprises