REPAIR TO JOINTS FILLING TAR EPOXY TO LOOPS AND LINKS AND CERTAIN WORKS AT TECH AREA AT AF STN AMBALA UNDER GE (AF) AMBALA

M&L for preparation of untreated or old treated horizontal concrete or bituminous surfaces exceeding 10 cm width or girth with wire brushes etc and painting lines dashes strips circles and other markings with one coat of water based cold applied retro reflective airfield marking paint formulated with high volume soild acrylic emulsion white/orange/yellow/black or any other colour as approved by GE complete all as specified and as directed by the Engineer-in-Charge

M&L for preparation of untreated or old treated horizontal concrete or bituminous surfaces exceeding 10 cm width or girth with wire brushes etc and painting lines dashes strips circles and other markings with one coat of water thinnable/matt finished road marking paint white/orange/yellow/black or any other colour as approved by GE complete all as specified and as directed by the Engineer-in-Charge

M&L for preparation of newly untreated or old treated horizontal concrete or bituminous surfaces not exceeding 10 cm width or girth with wire brushes etc and painting lines dashes strips circles and other markings with one coat of water thinnable/matt finished road marking paint white/orange/yellow/black or any other colour as approved by GE complete all as specified and as directed by the Engineer-in-Charge

M&L for repair to damaged broken edges of existing cement concrete slabs of taxi track by cutting to a depth 10 to 50 mm, cleaning the surface and remove loose material, dust by blowers of rubish to a distance exceeding 50 m but not exceeding 100m and applying evenly a coat of dencote 601 epoxy rich primer with sealer and filling in with Epoxy Re-sign denpatch compond complete all as specified and as directed

M&L for cutting damaged / broken edges along dummy / construction / expansion joints using saw/suitable cutter, removing rubbish / refuse outside MD land and depositing where directed, cleaning the surfaces with air blowers and applying self levelling elastomeric concrete duly finished by means of trowel, mats, etc. over a coat of elastomeric primer complete all as specified and as directed Notes: (i) Work shall be got executed through authorised applicator of the manufacturer of elstomeric concrete as approved (ii) Due care shall be taken in not damaging existing surfaces in the process. Any such damages caused shall be made good without any extra cost

Raking out existing Sealing compound from expansion Joints of size 20 mm to 25mm wide and up to a depth of 30 mm from existing Flexible/concrete pavements and spilled sealing compound from the edge of expansion joint removing the old sealing compound and all foreign material to a distance of 100 mtr and depositing as directed by Engr-in-Charge, cleaning and preparation of existing expansion joint , priming the sides and bottom of expansion joints with primer for Grade B sealing Compound and Sealing the expansion joint 20mm to 25mm wide and 25 mm deep (leaving a clear space of 5mm at top in winter and 3 mm top in summer with sealing compound Grade B heat resistance complete all as specified .

All as per BOQ Srl item no 06 but for construction joints of size 10 to 14 mm but wide and upto thickness 30 mm complete all as specified and directed.

All as per BOQ Srl item no 06 but for contraction joints ( dummy) of size 08 to 10 mm but upto thickness 30 mm complete all as specified and directed.

M&L for taking out old sealing compound grade 'B' etc and cleaning, removing dirt/loose foreign materials etc with compressor air blower from any type of joints and of any thickness and any depth of taxi tracks and runways with a raker, coir brush etc and filling joint with polyurethane joint sealant compound using mechanical means to a depth of 10mm (depth minimum above back up rod) including two coats of primer and providing approved quality closed cell polythene backup rod of dia 25% more than the width of joint placed over existing joint filler board in position, applying masking tape on edge of joint to prevent accidental slippage of sealant on top surfaces and to give neat finish to the sealant on top surfaces and to give a neat finish to the sealant and removing the masking tape after sealant is applied as required, etc complete all as specified and as directed for the following width of joints:- Notes: (i) Minimum movement accomodation factor (MAF) shall be +30% conforming to the requirements as stiplated in BS: 5212 BS-4254 and EN-141875-2003 (ii) Hydrolysis / water resistance test shall be catered as per relevant IS (iii) Joints dismantled, cleaned and filled as above shall bear a performance guarantee of minimum 10 years from the date of completion. The contractor has to submit the said guarantee in Rs 100 non-judicial stamp paper to the Accepting officer (iv) An amount @ 10% of the cost of joint filling shall be retained from the final bill till completion of above guarantee period. The contractor may submit FDR of equal amount in favour of the accepting officer for the purpose. (v) Filling work shall be done as per manufacturer's instruction and as specified (vi) All rubbish / retrieved materials shall be disposed off to a distance exceeding 100 m but not exceeding 500 m including necessary cartage etc as required

Joints upto 25 mm in width