REPAIR TO CEMENT CONCRETE PAVEMENT, COMPREHENSIVE REPAIRS AND MISC WORK IN AIRFIELD AREA AT AF STN JAMNAGAR

Amount

Note for All items of this BOQ : SITE FOR EXECUTION OF WORK :- Tenderer shall note that work shall be executed at Runway / taxi track / Tarmac & similar location. Site for execution of work will be made available to contractor on Saturday, Sunday, Holidays and non operational days or when Runway will made available by GE / Engineer-In-charge after consultation with users, due to constant operational commitment at Jamnagar station. The contractor will have to arrange his working programme accordingly. No claim whatsoever, for not giving the entire site, on award of work and giving the site gradually will be entertained. The contractor shall consider this aspect while quoting his rates

M&L for repairing pot holes / patches etc in existing cement concrete pavements by cutting out damaged portion around the pot holes with mechanical equipment into regular shape, 15 to 20 mm deep, removing the loose material to a distance exc 250 metre but n.exc 500 m and cleaning the cut out portion with compressed air to remove all foreign materials like dust, dirt, loose aggregates etc, priming the pot holes / patches with special primer recommended by manufacturer and filling with modified elastomeric concrete complete all as specified and as directed. Make: Chokesy Chemical (Product Name "Flex O Patch") or equivalent of make as per Appx B.

M&L for repairing pot holes / patches etc in existing cement concrete pavements by cutting out damaged portion around the pot holes with mechanical equipment into regular shape, 15 to 20 mm deep, removing the loose material to a distance exc 500 metre but n.exc 1000 m and cleaning the cut out portion with compressed air to remove all foreign materials like dust, dirt, loose aggregates etc, priming the pot holes / patches with epoxy primer and filling with heigh strength epoxy concrete complete all as specified and as directed. Make: Choksey chemical or equivalent of make as per Appx B.

M&L for preparation of old painted surface of concrete pavement / black bituminous pavements / plastered surfaces etc over 10 cm width or girth by brooming down or steel wire brushing, scrapping by mechanical mean ,scraping down smoke soot, mouls, moss and efflorescent salts and treating oil and greasy spots and applying One Coat of water based paint of any tint and colour as approved in lines, dashes, arrows, letters etc using runway/ road marking machine complete all as specified and as directed. Make:- Apcotrac manufactured by Asian paints or equivalent make specified.

All as per item No 4 above including removal of existing paint but width / girth not exceeding 10 cm.

M&L for preparation of old painted surface of concrete pavement / black bituminous pavements / plastered surfaces etc over 10 cm width or girth by brooming down or steel wire brushing, scraping down smoke soot, mouls, moss and efflorescent salts and treating oil and greasy spots and applying One Coat of synthetic enamel paint of any tints and any colour as approved in lines, dashes, arrows, letters etc using runway/ road marking machine all as specified and directed by Engineer In charge. Make: APCOLITE IS manufactured by Asian Paints or equivalent of make Berger paints Pvt Ltd / Nerolac.

All as per item No 5 above including removal of existing paint but width / girth not exceeding 10 cm.

M&L for raking out existing old sealing compound (grade B /PU Sealent) Manually without damaging the pavement) from expansion joint 25 to 30 mm wide and 35 mm deep preparing joint by cleaning, with air compressor, priming the joint as per manufacturer recommendation, placing closed cell Polyurethane backup rod to control depth of sealant in the joints and sealing the joint with pitch free Polyurethane grey sealing compound conforming to BS-5212 (Type FB) and applying masking tape on edge of joint to prevent accidental spillage of sealant on top of the surface and to give a neat finish to the sealant and removing the masking tape after sealant is applied, the sealant should have MAF + 25 complete all as specified and as directed.

All as per item No.8.00 above but dummy / construction joints 15 to 20 mm wide and 30 mm deep.

All as per item No.8.00 above but dummy / construction joints 10 to 15 mm wide and 30 mm deep.

Taking down cement plaster on brick or stone wall etc. including racking out joints, hacking for key and scrubbing down with water etc, complete all as specified and as directed.

Demolition of brick work or stone masonry built in cement mortar including all quoins, pillars, arches etc. but excluding ashlar facings, dressed stone work and precast concrete articles, complete all as specified and as directed.

M & L for precast PCC solid block masonry 1:3:6 (Type D1) straight or curved on plan exc 6 m mean radius, exc 10 cm width and set in CM (1:6) complete all as specified and directed.

M & L for rendering 15 mm thick on concrete surfaces/ block surface in cement mortar (1:6) finished even and smooth without using extra cement for surfaces of Area Drain complete all as specified and as directed.

M & L for PCC (1:2:4) Type B1 (using 20 mm graded stone aggregate ) in coping, including necessary form work finished fair and even surface without using extra cement including weathering slightly rounded or chamfered angles and throating complete all as specified and as directed.

Demolition of cement concrete in ground floor and paving n exc 15 cm thickness and removing material to a distance 100 meter or under as complete all as specified and as directed.

M&L for PCC in surface channels and drains type B2 (1:2:4) using 40 mm graded stone aggregate complete all as specified and as directed.

M&L for preparation of plastered or unplastered old decorated surfaces of wall, concrete surface etc by brooming down or steel wire brushing, scraping down smoke soot, mouls, moss and efflorescent salts and treating oil and greasy spots and applying two coats of white wash (lime) wash complete all as specified and as directed.

Deployment of T&P and labour for cutting and removing the grasses / vegetation growth in the surrounding area of runway, taxi track and dispersals by using tractor equipped with jungle jim and disposing off all the rubbish to distance exc 250 meter but not exc 500 meter complete all as specified and as directed. Note : Considering the working hours contractor will deploy minimum 02 Nos tractor equipped with jungle jim of each working days.

Maintenance of runway shoulders and surrounding area by cutting of grass, plants, shrubs, vegtations and bushes from runway shoulders, taxi tracks, dispersal area and entire airfield area by using grass cutting machine with steel blade cutter/ nylon wire cutter, of Make grass/ bush machine cutter, OLEO MAC OR APPROVED MAKE including removal of all debries to distance exc 500 meter but not exc 1.5 KM complete all as specified and as directed. Note :- (a) The tenderers are advised to visit the site and make themselves fully aware of the area to be maintained as specified in the Schedule 'A' (BOQ) and particular specifications. (b) The grass, plants, shrubs, vegetation and bushes shall not be allowed to grow more than 15cm from the ground level at any time. (d) Minimum 6 machines with operators (un-skilled labourers) (including fuel/lubricants and spares etc shall be deployed each day for minimum 20 (Twenty) days in a calendar month throughout the contract period with minium 6 hours working time with minimum of 4 litre fuel per machine in a day. A recovery equal to double the rate for un-skilled labourer calculated based on the contractor's quoted rate per head per day will be deducted from any amount due to contractor in case of his failure to comply with the conditions for providing minimum number of labourer for minimum number of days given above. Contractor shall deploy un-skilled laourers alongwith tools & plants and machine etc to execute the work as per scope of work covered in this contract.Min area of grass cutting per day per labour shall be 100 sqm . (e) Unit rates quoted by the tenderer shall be deemed to include for the provision of making good the shallow pits, if any, in the specified area mentioned above and cleaning the site of runway air field area and taxi track as dirceted by Engineer-In- Charge in the Schedule 'A' (BOQ) and nothing extra shall be paid to the contractor on this account.

Ploughing in any type of soil with disc plough mechanically operated with average depth of 45 cm running the plough in long and traverse direction and cleaning away of all grass / vegetable spoils, shrubs under growth roots and removing rubbish including breaking lumps by rotavator, removing hard objects etc from the surfaces to a distance exc 150 metre but not exc 500 metre complete all as specified and as directed. Note:- Logbook containing detail of date and time of ploughing, location, shall be maintained by the contractor and shall be signed by the Engineer-in-Charge & contractor.

Cleaning of PCC drain not exceeding 1.5 metre deep by removing of deposited soft / loose soil and other foreign materials not exc 30 cm deep and average 15 cm deep and removal of excavated material to a distance exc 250 m but n.exc 500 m complete all as specified and directed by Engineer-in-charge Note:- width of bottom of drain multiplied by the length of drain cleaned shall be measured for payment.

Supply and fix in repairs 4 mm thick ACP board, suitable for fixing stickers in one side for various types of Sign board in Air Field area of any size, complete all as specified and as directed.

Material and labour for HIP (Reflective) stickers in various size and shape on different types of sign boards of Air field area using 3M ™ High Intensity Grade Prismatic Reflective sheeting 3930 to 3937 series of approved colour fixing with pressure sensitive adhesive for unique construction providing high levels of retro reflectivity for multiple traffic situations providing long term reflectivity and durability including AV 450 series colour vinyl stickers of various size and shape sign boards as writing numerals, alphabets, border and arrow complete all as specified and as directed.

M&L for Removing old paint by paint removers or burning off by blow lamps and cleaning with scrapers, any number of coats, any width or girth complete all as specified and as directed.

M&L for demolition of reinforced cement Concrete in ground floors and pavings n exc 15 cm thickness (below or above ground level, complete all as specified and as directed.

M&L for providing precast cement concrete 1:2:4 Type B1 (20mm garded aggregate ) set in CM 1:6 in landings, cover slabs (for Drain.) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces, complete all as specified and as directed. Note: Reinforcement steel shall be measured and paid separately

M&L for Mild steel TMT bars 6mm to 8 mm dia, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed.

S&F Framed work such as grills, gratings, etc with ends of bars shouldered and /or riveted or forged into spikes, framed guard bars, barred iron doors, ladders, framed balusters, walk ways, railings, framework of water tanks and similar work con- forming to Fe.290.Gde-E-165 complete all as specified and as directed.

M&L for praparing new surfaces of steel and applying two coats of synthetic enamel paint over red oxide primer of any description, over 10cm in width or girth not otherwise described complete all as specified and as directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for

M & L for moorum/red bajri filling in floors or pavings, laid in layers not exceeding 15 cm thick, spread, levelled and rammed including watering compacting with 8-12 ton power roller to compact upto 98% modified proctor density complete all as specified and as directed. (Note: Stack measurement shall be entered in measurement book)

Deployment of JCB for levelling of shoulder/overrun/flight strip that there are no ditched, debris etc of runway,taxitracks and airfield area for making uniform ground with desired slope complete all as specified and as directed.

M & L levelling of runway/taxitrack shoulder 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 complete all as specified and as directed.

M & L for removing vegetation, grass cutting and site clearance in soft / loose soil complete all as specified and as directed.

Nirmal Construction (BID ID -3248311)

jagdish machinery stores (BID ID -3248258)

VINUBHAI P. CHANDRA (BID ID -3252345)

Nitesh Enterprise (BID ID -3246690)

Shree Builders (BID ID -3250176)

JAMNAGAR ELECTRIC AND MACHINERY CO (BID ID -3242153)

M/S Rajendra Constructions (BID ID -3241308)

M/s. Ambabhai K patel (BID ID -3248961)