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| 1 | M&L for Raking out existing filling in Expansion/ Construction joints of width exc 15mm but n. exc. 25mm wide upto required depth as specified & as directed by special tools like concrete cutter, wire/coir brushes/ machines and joint cleaned thoroughly with application of compressed air, making free from all the loose materials i.e., dirt, dust, grease, existing sealing compound, including sticked material of existing compound raked upto full depth (upto 40mm) of joints etc to entire satisfaction of Engineer-in-Charge and filling the joint with Grade \"B\" Bituminous Sealing Compound using mechanical means with depth of joint sealing compound 4mm below the top surface of the pavement after applying one coat of bitumen primer on edges of jointsto entire satisfaction complete all as specified and as directed by Engineer-in-Charge. |
| 2 | M&L for Raking out existing filling in Construction & Dummy joints of width exc 08mm but n. exc. 15mm up to required depth as specified & as directed by special tools like concrete cutter, wire/coir brushes/ machines and joint cleaned thoroughly with application of compressed air, making free from all the loose materials i.e., dirt, dust, grease, existing sealing compound, backup rod, etc including sticked material of existing compound raked up to full depth (up to 40mm) of joints etc to entire satisfaction of Engineer-in-Charge and filling the joint with polyurethane joint sealing compound using mechanical means with depth of joint sealing compound not less than 13mm (minimum depth above the back up rod) with minimum performance guarantee of 10 years and minimum movement accommodation factor (MAF) + 30% confirming to the requirements of BS-5212 and EN-141875-2003 for Hydrolysis/ water resistance test including applying primer (applied twice on one side by forward and reverse movement of brush) and filling the balance raked depth of joint with backup material i.e. polythene backup rod to ensure tight packing, so that no gaps or voids exist at the top of backup material and applying masking tape on edge of joint to prevent accidental slippage of sealant on top surfaces to give a neat finish to the sealant and remove the masking tape after sealant is applied as required complete as per manufacturer\"s instructions complete and all as specified and as directed by Engineer-in-Charge.(NOTE: Polythene back up rod, if required to be replaced shall be measured and paid separately. Cost of other materials are deemed to be included in the quoted rates) |
| 3 | M&L for Raking out existing filling in Expansion joints of width exc 08mm but n. exc. 15mm up to required depth as specified & as directed by special tools like concrete cutter, wire/coir brushes/ machines and joint cleaned thoroughly with application of compressed air, making free from all the loose materials i.e., dirt, dust, grease, existing sealing compound, filler board (as required), including sticked material of existing compound raked up to full depth (up to 40mm) of joints etc to entire satisfaction of Engineer-in-Charge and filling the joint with polyurethane joint sealing compound using mechanical means with depth of joint sealing compound not less than 13mm (minimum depth above the back up rod) with minimum performance guarantee of 5 years and minimum movement accommodation factor (MAF) + 30% confirming to the requirements of BS-5212 and EN-141875-2003 for Hydrolysis/ water resistance test including applying primer (applied twice on one side by forward and reverse movement of brush) and filling the balance raked depth of joint with backup material i.e. polythene backup rod to ensure tight packing, so that no gaps or voids exist at the top of backup material separated by bond breaker tape over suitable size filler board in position where required and applying masking tape on edge of joint to prevent accidental slippage of sealant on top surfaces to give a neat finish to the sealant and remove the masking tape after sealant is applied as required complete as per manufacturer\"s instructions complete and all as specified and as directed by Engineer-in-Charge.(NOTE: Polythene back up rod, bond breaker tape and filler board, if required to be replaced shall be measured and paid separately. Cost of other materials are deemed to be included in the quoted rates) |
| 4 | All as per Ser Item No. 03 above but for expansion joint of width exc 15mm but n.exc 30mm |
| 5 | S & F closed cell polythene back up rod, medium density for joints of width exc 8 mm but not exc 15 mm.(NOTE: Width/Dia of back up rod shall be 20 to 25% more than the joint so that there is no seepage of sealant through joints edges) |
| 6 | S&F closed cell polythene back up rod, medium density for joints of width exc 15 mm but not exc 25 mm(NOTE: Width/Dia of back up rod shall be 20 to 25% more than the joint so that there is no seepage of sealant through joints edges) |
| 7 | S&F 25 mm thick non-bituminous cross linked polymer filler board, HD100 (with 100 density) for expansion joints complete all as specified and directed.(NOTE: Filler board shall be measured in multiples layers proportionately in case of required thickness more than 25 mm on site) |
| 8 | S&F bond breaker tape, of approved quality, suitable for joints in concrete pavements of width exc 8 mm but not exc 15 mm complete all as specified and directed. |
| 9 | S&F bond breaker tape, of approved quality, suitable for joints in concrete pavements of width exc 15 mm but not exc 25 mm complete all as specified and directed. |
| 10 | M&L for repair to top out spalled joints, broken corners and pot holes in concrete slab by chiseling/ mechanical cutter to provide regular pneumatic cavity with sides perpendicular, removal of laitance by etching and abrading surfaces with wire brush, removal of dust and loose materials by blower, cleaning and washing the surface to remove oil, grease, wax, etc, priming the surfaces with suitable epoxy resin primer and applying epoxy mortar and finished as per manufcturer specifications complete all as specified and as directed. |
| 11 | M&L for repair to top out spalled joints, broken corners and pot holes in concrete slab by chiseling/ mechanical cutter to provide regular pneumatic cavity with sides perpendicular, removal of laitance by etching and abrading surfaces with wire brush, removal of dust and loose materials by blower, cleaning and washing the surface to remove oil, grease, wax, etc, priming the surfaces with suitable primer and applying self levelling elastomeric concrete and finished as per manufcturer specifications complete all as specified and as directed. |
| 12 | Demolition ofcement Concrete in pavings, runway, pavement, links etc n exc 15 cm thickness (below or above ground level)including removal of debris from outside AF land and disposed off complete all as specified and as directed. |
| 13 | -ditto- but depth of concrete exceeding 15 cm as in runway/pavements, links etc complete.(NOTE: Quoted rate shall be deemed to include the cost of machinery/T&P required for carrying out the work) |
| 14 | M&L 100mm thick PCC 1:4:8 (Nominal Mix) Type D2 (using 20mm graded stone agg) as in pavement/ floor includingnecessary form workcomplete all as directed by Engineer-in-Charge. |
| 15 | Supply and laying Machine pressed precast conctete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35 Grade, with grey cement and pigment, incl taking out existing old paver blocks and removing from sitecomplete all as specified and directed.(NOTE: Sand cushioning shall be measured and paid seperately) |
| 16 | M&L for Sand filling under paver blocks bedding/runway pavement etc including consolidation complete all as specified and as directed. |
| 17 | M&L PCC 1:2:4 type B1 (using 20mm graded stone agg) as in plinth courses, string courses, lacing courses, copings, kneelers, apex stones, bed plates, kerbs and the like including weathering,slightly rounded or chamfered angles and throating, finished even and smmoth without using extra cement and including necessary formwork complete as specified and as directed |
| 18 | M&L for Pavement Quality Concrete (PQC) of minimum field flexural strength 40 Kg/Sq cm after 28 days in pavement slab using not less than 400 Kg of cement per cum of concrete with crushed stone aggregate of grading as specified, laid in panels,spread and compacted, mechanically vibrated including necessary formwork, finishing surfaces by brooming/ belting etc, for average concete thickness 250 mm complete all as specified and directed.NOTES :1. The work shall be executed in small patches as per site requirement. Quoted rate is deemed to be inclusive of the above aspect. 2. Quoted rate shall be deemed to include cost of mix design for PQC from any Govt approved laboratory/Engg College.3. Cost of brooming/belting is deemed to be inclusive in quoted rate.4. Synthetic fibre reinforcement shall be measured and paid seperately.5. Deduction shall be made for the volume of expansion joint. |
| 19 | -ditto- but for PQC of depth exceeding 250 mm completeNOTES:-1. Notes for Item No 18 above shall also be applicable for this item2. PQC shall not be laid in layers more than 25 cm thick at a time. |
| 20 | Supply only polyester triangular/Non circular synthetic fibre for pavement quality concrete PQC surface complete all as specified and directed. |
| 21 | Supply and laying one layer of polythene film 400 micron thickness as per ASTM D2103/IS 2508 with side and end overlapping not less than 300mm complete all as specified and as directed.(NOTE : Measurement shall be taken for net area and unit rate quoted shall deemed to include for over lapping.) |
| 22 | M&L cleaning the joints of flexible pavement of runway, taxi track etc with wire brushes and blowing with compressed air, removing the spoil and for applying Modified Ashphalt Emulsion tojoints of width not exc 6mm and depth exc 6mm but not exc 15mm and levelling the surfaces to match the existing surface level of runway/ Taxi track etc complete all as specified and as directed by Engineer-in-Charge. |
