8124/SAR-T-27/2024-25 REPAIR / REPLACEMENT FOR JOINT FILLING AND CONNECTED ITEMS IN RUNWAY, TAXI TRACK, PTT AND DISPERSAL AREA AT AIR FORCE STATION SARSAWA UNDER GE (AF) SARSAWA

Amount

Demolition of cement concrete (unreinforced) in ground floors and pavements any thickness (below or above ground level) complete all as specified. Note : (i) Demolition shall be carried out by cutting the slabs with diamond cutter in small pieces. (ii) Suitable cranes & Hilti Bolts shall to used to take out the concrete pieces to avoid damage to the adjoining pavement. (iii) Damage caused to the subgrade, adjoining concrete pavement during demolition shall be made good by the contractor with the same specification without any extra cost to deptt.

M&L for 150 Micron HDPE sheet with maximum standard width available and as approved by GE without joint, manufactured by multilayer technology using 100% virgin raw material, conforming to IS: 10889:2004, laid over 10mm thick sand layer including all necessary cutting, overlap and wastage complete all as specified.

Material and labour providing pavement quality concrete (PQC) minimum 28 days field flexural stength 45 kilogram per sq.cm or 4.5Mpa aggregate gradation as per Table 3 of IRC 15-2017, coarse aggregate of clean , hard strong ,dense non-porus and durable pieces of crushed stone or gravel,fine aggragate of clean natural sand or crushed stone sand combination of both using minimum 360kg/cum of cement with non-circular ,virgin synthetic fibre of 12-18mm lrngth ,specific gravity 1.34 to 1.39, UV stable , alkali resistant ,with equavalent dia 15-40 micron ,minimum melting temperature as 240'C and minimum tensile strength of 300Mpa and at the rate as specified by the Manufacturer"s and gradient and chamber, spread, paved, compacted & finished including making necessary joints, filling with sealent and form work for laying in bays shall be deemed including rate complete all as specified and directed by Engr-in-Charge. complete all as specified and directed. Notes:- Note :- (i) The top surface of the concrete shall be matched with the existing pavement. (ii) Joints of suitable width shall be cut by diamond cutter in the concrete pavement. (iii) Joints shall be cleaned by compressed air all as specified. (iv) Joints shall be sealed with cold applied, fuel resistant, polyurethane sealent compound conforming to BIS : 5212, M/s Hindcon Chamicals Ltd (Hind Sealent PPU), Bostik India Pvt Ltd (Seal 'N' Flex 2K) or equivalent approved make including priming coat & back up rod as specified. (v) Polyster non-circular fibre as secondary reinforcement mixed in concrete shall be measured and paid separately as "supply only" under relevant item of this schedule.

Supply only polyester traingular fibre 6/12mm long with circun-circle diameter 30-35 micron, designed, for melting point of 240-260 degree celsius and having specific gravity 1-34 to 1-40, fibre etc complete all as specified and directed by Engineer-in-charge.

Material and Labour for finishing of concrete roads/paving by brooming complete etc complete all as specified and directed by Engineer-in-charge.

M&L for Raking out the existing sealing compound from joints 26 to 30 mm wide, upto a depth of 30 mm from the existing concrete pavements and removing the spilled sealing compound from the edge of the joints, removing the old loosened sealing compound and all foreign materials etc to a distance exceeding 500 metre but not exceeding 1000 metre and depositing as directed, cleaning the same by compressed air,vaccume cleaner, brooms and coir brushes, preparing and priming the sides and bottom of joints with primer and filled with cold applied fuel resistant polyurethane sealent compound conforming to BIS : 5212, M/s Hindcon Chamicals Ltd (Hind Sealent PPU), Bostik India Pvt Ltd (Seal 'N' Flex 2K) or equivalent approved make including supply & laying back up rod of suitable size to maintain depth of sealent 20 mm minimum complete all as specified. Note : (i) The depth of sealant 20 mm shall be maintaned by providing backup rod which is included in quoted rate. (ii) The finished level of sealed joints shall be on an average 3 mm below the top surface of slab pavement. Total depth of racking out 30 mm is inclusive of this 3 mm empty top. Thickness of sealant shall be maintained as 20 mm. (iii) The Contractor shall submit Security deposit @ 10 % of work done at Contract rates against this item for the efectiveness of Joint filling work with sealing compound for 10 years from the date of completion of work.

M&L for Raking out the existing sealing compound from joints 20 to 25 mm wide, upto a depth of 30 mm from the existing concrete pavements and removing the spilled sealing compound from the edge of the construction joints, removing the old loosened sealing compound and all foreign materials etc to a distance exceeding 500 metre but not exceeding 1000 metre and depositing as directed, cleaning the same by compressed air, vaccume cleaner brooms and coir brushes, preparing and priming the sides and bottom of joints with primer and filled with cold applied fuel resistant polyurethane sealent compound conforming to BIS : 5212, M/s Hindcon Chamicals Ltd (Hind Sealent PPU), Bostik India Pvt Ltd (Seal 'N' Flex 2K) or equivalent approved make including supply and laying backup rod of suitable size to maintain depth of sealant 20 mm minimum complete all as specified and as directed. Note : (i) The depth of sealant 20 mm shall be maintaned by providing backup rod which is included in quoted rate. (ii) The finished level of sealed joints shall be on an average 3 mm below the top surface of slab pavement. Total depth of racking out 30 mm is inclusive of this 3 mm empty top. Thickness of sealant shall be maintained as 20 mm. (iii) The Contractor shall submit Security deposit @ 10 % of work done at Contract rates against this item for the efectiveness of Joint filling work with sealing compound for 10 years from the date of completion of work.

M&L for Raking out the existing sealing compound from joints 10 to 19 mm wide upto a depth of 30 mm from the existing concrete pavements and removing the spilled sealing compound from the edge of the dummy joints, removing the old loosened sealing compound and all foreign materials etc to a distance exceeding 500 metre but not exceeding 1000 metre and depositing as directed, cleaning the same by compressed air, vaccume cleaner, brooms and coir brushes, preparing and priming the sides & bottom of the joints with primer and filled with cold applied fuel resistant polyurethane sealent compound conforming to BIS : 5212, M/s Hindcon Chamicals Ltd (Hind Sealent PPU), Bostik India Pvt Ltd (Seal 'N' Flex 2K) or equivalent approved make including supplying and laying back up rod of suitable size to maintain depth of sealing compound 20mm minimum complete all as specified and as directed. Note : (i) The depth of sealant 20 mm shall be maintaned by providing backup rod which is included in quoted rate. (ii) The finished level of sealed joints shall be on an average 3 mm below the top surface of slab pavement. Total depth of racking out 30 mm is inclusive of this 3 mm empty top. Thickness of sealant shall be maintained as 20 mm. (iii) The Contractor shall submit Security deposit @ 10 % of work done at Contract rates against this item for the efectiveness of Joint filling work with sealing compound for 10 years from the date of completion of work.

M&L for Repair to damaged and/or broken edges, corners of the existing cement concrete slabs of runway/ PTT/ Dispersals by cutting upto a depth of 5 cm, damaged, spoiled exists in concrete pavements, slabs to rectangular or square in cross section and removing all loose, foreign materials and dust etc by any mechanical means as directed and disposing off the rubbish to a distance not exceeding 1000 metre, cleaning the surfaces thoroughly with brush and compressed air and applying a coat of Epoxy primer & filled with epoxy mortar as specified including necessary from work, where required, all as per manufacturer’s instructions complete all as specified and as directed. Note :- 1. All the components of epoxy mortar such as resin, hardner, fillers, sand etc shall be formulated by company itself and it shall be brought at site in sealed condition with company packing. 2. Company packing once opened, the whole materials shall be consumed within one hour and left over material shall not be reused. 3. Before executing the work at the site , all the required material shall brought to site in a single lot as approved and recorded in MB with test certificates and guarantee certificates issued by the manufacturer.

Demolition of cement concrete (un-renforced) in ground floor and paving. exc. 15 cm thickness (below or above ground level.) & removal of rubbish material complete all as directed by Engineer-in-charge and all as specified.

M&L for 75 mm thick PCC 1:4:8 type D -2 using 40 mm graded aggregate as in sub base complete all as specified& directed by Engr-in-Charge.

Providing and laying 60mm thick factory made chamfered edge cement concrete paver block of M-35 grade with approved colour, design & pattern as in footparth, parks, lawns, drive ways or light traffic parking etc., of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over and including 25mm thick compacted bed of fine sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand; complete all as specified.

M&L for preparation of old plastered/Concrete surfaces of wall/floor & applying one coats of weatherproof exterior emulsion paint complete all as specified & directed by Engr-in-Charge. Note : Camouflague/Plain pattern or pattern decided by Engr-in Charge /Air force Authority.

BHAGWATI TRADERS

RAJAN TRADERS

G.H. INFRASTRUCTURE PRIVATE LIMITED

SUBHASH CHAND CONTRACTOR