REPAIR TO PTT, LINKS, MAIN RUNWAY RIGID ENDS AT TECH AREA AT AF STN AMBALA UNDER GE (AF) AMBALA

Amount

Demolition of cement concrete in ground floor and paving not exceeding 15 cm thick below or above ground level for taxi light etc including removal of demolished material (cement concrete) from site to a distance exceeding 1.5 km and not exceeding 5.0 km & deposited where directed complete all as specified and directed by Engineer-in-charge.

M&L for PCC 1:2:4, type B 1, (using 20 mm graded mechanically crushed stone aggregates) as in plinth of taxi light including finishing the concrete surface even and smooth without using extra cement complete all as specified and directed.

M&L for demolition of cement concrete (PQC) of existing unreinforced slabs or rigid pavements / portions of any description and in any position of runways, etc. removing rubbish / refuse to a distance exceeding 1.5km and not exceeding 5km and depositing where directed complete all as specified and as directed Notes: (i) Work shall be executed very carefully to check any damage to adjoining existing surfaces. Any such damages caused shall be made good without any extra cost (ii) The cost of repair of any surfacing cracks in existing adjoining surfaces / locations during demolition shall be filled in as per relevant specifics and IS.

M&L for pavement quality concrete (PQC) of flexural stength 45kg/sqcm in field using 410kg/cum of concrete (with maximum size of coarse aggregate upto 40mm) as per mix design, with incorporation of non-circular polyestor fibre @ 1.0kg/cum of PQC, including all necessary formwork for laying in bays as shown on drawings complete all as specified and as directed Notes: (i) Airfield drawing shall be referred at office of the GE (AF) Ambala (ii) Construction / contraction / expansion joints shall be measured and paid separately under respective items herein (iii) Volume of concrete shall be deduced excluding joints (iv) The quantity of cement and synthetic fibre to be used in concrete specified hereinabove is minimum. Any deviation on the plus side as per design mix and site conditions shall be catered without any extra cost to the Govt. (v) Polyster non-circular fibre shall be measured and paid separately as 'supply only' under relevant item herein

M&L for providing lean cement concrete of grade M-15 Design Mix (using 20mm graded aggregates) with minimum cement content 250 Kgs/Cubic metre including spreading and consolidating complete al as specified and directetd by Engineer-in-Charge.

M&L for providing clean dry coarse sand uniformly graded, spread, levelled in layers 20 mm thick over existing pavement etc complete all as specified and directed by Engineer-in-Charge.

M&L for providing polythene film 400 micron, thick, white colour, laid over sand layer including all necessary cutting overlaps not less than 300mm and waste etc complete all as specified and directed by Engineer-in-Charge.

M&L for finishing of concrete roads/paving by brooming complete etc complete all as specified and directed by Engineer-in-Charge.

Supply only polyester traingular fibre 6/12mm long with circum-circle diameter 30-35 micron, designed, for melting point of 240-260 degree celsius and having specific gravity 1-34 to 1-40, Recron 3-S, manufactured by M/S Reliance Industries Ltd, Mumbai etc or equivalent as approved by GE. complete all as specified and directed by Engineer-in-Charge.

M&L for forming contraction joints (Dummy joint) upto 100mm depth of concrete slab (PQC) x 8mm wide (Using diamond cutter) and cleaning and removing material, dirt,and all loose material etc. completely with compressor air blower from joints and filling with polyurethane joint sealant compound using mechanical means to a depth of 10mm (depth minimun above back up rod) with minimum performance guarantee of 10 years and minimum Movement Accommodation Factor (MAF) + 30 % confirming to the requirment of BS:5212, BS-4254 and EN-141875-2003 for Hydrolysis/water resistence test including two coats of primer and providing approved quality closed cell polythene back up rod of dia 25% more than the width of joint over joint filler board in position, applying masking tape on edge of joint to prevent accidental slippage of sealant on top surfaces and to give a neat finish to the sealant and removing the masking tape after sealant on is applied as required etc complete all as specified and directed by Engineer-in-Charge.

M&L for forming construction joint full depth of concrete and 10mm wide (Using diamond cutter) including upto 1/3rd depth (minimum 100 mm) of concrete to form joint and cleaning and removing material, dirt,and all loose material etc. completely with compressor air blower from joints and filling with polyurethane joint sealant compound using mechinical means to a depth of 10mm (depth minimun above back up rod) with minimum performance guarantee of 10 years and minimum Movement Accommodation Factor (MAF) + 30 % confirming to the requirment of BS:5212, BS-4254 and EN-141875-2003 for Hydrolysis/water resistence test including two coats of primer and providing approved quality closed cell polythene back up rod of dia 25% more than the width of joint over joint filler board in position, applying masking tape on edge of joint to prevent accidental slippage of sealant on top surfaces and to give a neat finish to the sealant and removing the masking tape after sealant on is applied as required etc complete all as specified and directed by Engineer-in-Charge.

M&L for forming 20mm thick expansion joint in concrete slab of thickness, filled with preformed bituminous filler, applying bond breaker tape on top of filler board for complete width of joint and cleaning and removing material, dirt,and all loose material etc. completely with compressor air blower from joints and filling with polyurethane joint sealant compound using mechinical means to a depth of 10mm (depth minimun above back up rod) with minimum performance guarantee of 10 years and minimum Movement Accommodation Factor (MAF) + 30 % confirming to the requirment of BS:5212, BS-4254 and EN-141875-2003 for Hydrolysis/water resistence test including two coats of primer and providing approved quality closed cell polythene back up rod of dia 25% more than the width of joint over joint filler board in position, applying masking tape on edge of joint to prevent accidental slippage of sealant on top surfaces and to give a neat finish to the sealant and removing the masking tape after sealant on is applied as requiredetc complete all as specified and directed by Engineer-in-Charge.

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. However the contractor may submit FDR of equal amount in favour of the Accepting officer for a period of 10 years after date of completion and amount due for the purpose shall be released in the payment due to the contractor.. (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 12 mm in width, complete all as specified and as directed

Joints exceeding 12 mm but not exceeding 25 mm in width, complete all as specified and as directed

Joints exceeding 25 mm but not exceeding 35 mm in width, complete all as specified and as directed

Joints exceeding 35 mm but upto any width, complete all as specified and as directed

M&L for preparation of newly untreated or old treated horizontal concrete or butiminous 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

Bairagi Builders (BID ID -3340087)

SARJIT SINGH AND CO. (BID ID -3337758)