REPAIR TO PQC PANELS INCLUDING JOINTS AND ALLIED WORKS AT RUNWAY LINKS AND DISPERSAL AREA AT AFS CHAKERI KANPUR

Amount

Dismantling of existing sign boards of any description and in any position including taking out embedded portion

Excavating in post holes in soft soil (or similar holes) each n exc 0.5 cu. m, getting out, complete all as per specified and directed.

M&L Cement concrete type C-2 (1:3:6) 40 mm aggregate in foundations, filling and mass concrete complete all as per specified and directed.

Supply and fixing box type sign board of size as directed by GE/EIC having both sided signs of alphabet, letter, figures, line, dash, arrow or any other character as directed by GE/ EIC . The sign board shall be made of aluminium composite panel (ACP) sheet of thickness 4 mm with retro reflective sheeting of any colour as directed by EIC. The ACP sheet shall be fixed on mild steel frame work . M S frame work shall be measured and paid seperatly. All the sides of M S frame work shall be covered with ACP sheet of thickness not less than 3 mm as directed GE/EIC . The board shall be mounted on wall complete all as specified and as directed. Note: All letters, figured, sign shall be of retrorefractive material with be measured and paid in subsequent items

S&F mild steel Rolled sections as in framing for cladding, glazing and the like fixed with angle cleats and connecting plates, etc.

M & L for writing alphabet, numbers or figures (Block. Roman, Italic or Indian) with retro reflective tap of size exc 30 cm but not exc. 40 cm high and proportionate width or width as decided by Eng-in-charge. The stroke width of character should not be less than 5 cm.

M & L for writing alphabet, numbers or figures (Block. Roman, Italic or Indian) with retro reflective tap of size not exc. 20 cm high and proportionate width or width as dicided by Eng-in-charge. The stroke width of character should not be less than 3.00 cm.

M&L for preparation of new or previously untreated steel surfaces of any description and applying two coat of synthetic enamel paint of any colour over red oxide, zinc chrome primer complete all as specified and directed by Engineer -in - Charge.

Cutting of grass by manualy operated bush cutter machine of areas around various sign boards. Installation, post, DTGM and likes where mechanical means can not be deployed including cleaning away all grass vegetations, sampling shrubs, brushes weeds and roots of trees etc and removing rubbish at low line area exc 200 m from edge of runway / taxiway /dispersal complete all as specified and directed by Engr- In-Charge. Note : (i) Availability of working hours for cutting of grass will depend on Air Trafic Control (ATC) Unit . Nothing extra shall be admisible if intermittent working hours for cutting of grass are available due to operational activity.

Cutting of grass/vegitation by tractor with jungle jeem (machnical slasher) where ever required including removing material obtained from cutting up to 100 m from adjoining edge of runway / taxi-way complete all as specified and directed. Notes:- (i) Contractor will deploy his own set-up of tractor with jungle jeem with POL and MT driver for cutting of grass. (ii) For three months as directed by ATC unit, the contractor will deploy 02 Nos tractor with one jungle jeem per day for cutting of grass and there after 01 No tractor with one jungle jeem will be continue for the balance period. The number of tractor to be deployed per day may be increased or decreased as per Air Trafic Control (ATC) Unit requirement as directed by Engr-in-Charge. (iii) The Motor/Tractor will be run/operated by person having vehicle licence for heavy vehicle from the state transport authority. (iv) Availability of working hours and site for cutting of grass by Jungle jeem will depend on Air Trafic Control (ATC) Unit . Nothing extra shall be admisible if intermittent working hours is available due to operational activity.

Repair to existing construction and dummy joints of size 10mm to 20mm wide and 25mm avg depth on rigid pavement of runway , taxiway and dIspersal of air field with following activities : (i) Raking out old decayed/damaged existing sealing compound with backup rod of any description and cleaning the joints thoroughly by removing dust, dirt foreign material by appropriate electric cutter and air blower. (ii) Removing the existing sealing compound from the edges , bottom and sides of the joints by cutting the edges, bottom and sides of the joints by mechanical tool (diamond cutter) to make the cross section of joint truly rectangular. Cutting of edges/sides/bottom of joints shall be done by using diamond cutter only . (iii) Once again cleaning the joints with compressed air and applying two primer coats (with interval of 30 minutes between each coat) upto the full depth & width of the existing joints (iv) Sealing the joints with polyurethane joints sealant ( upto full depth of existing joint) all as per manufacturers instruction including applying masking tap on edges of joints to prevent accidental spillage of sealant on top surface and removing the tap after sealant is applied complete all as specified and directed. (v) The quoted unit rate deemed to include supplying ang fixing of back up rod /slab of appropiate diameter / thickness as per site requirement. (vi) Electric supply shall be arranged by the contractor at its own arrangements.

All as per Item No 11 here-in-before but expansion joints of size 20mm to 30mm wide and 25mm avg depth complete all as specified and directed.

Supplying and fixing 25 mm thick pre formed compressible filler board (HD-100) of required depth in expansion joint complete all as specified and directed.

Demolition of stone slabs and tiles of any description or thickness in floors, aprons etc complete all as specified and directed,

M&L cement concrete Type D2 1:4:8 (20mm graded aggregate) 100 mm thick as sub base and mass complete all as specified and directed,

M&L for sand filling /sand cushioning for bed of interlocking tiles complete all as specified and as directed.

M&L machine pressed precast concrete interlocking paver block glazed, coloured any shape and size confirming to IS 15658-2006 of 80mm thick, M-40 grade with grey cement and pigment, all as specified and directed by Engr-in-Charge.

Demolition of cement concrete (Unreinforced) of any description and in any position not otherwise specifically provided for and removing the debris to a distance exceeding 1.50 km but not exceeding 5.00 km at the location shown by Engr-In- Charge complete all as specified and directed

Material and labour as per site thick pavement quality cement concrete work in pavement/Dispersal/ taxi link of flexural strength 4.5MPa in field using minimum 400 Kg of cement per cubic metre, mixed with non circular fibre synthetic reinforcement (0.25% of weight of cement or as per manufacturer's instruction), spread and compacted with plate niddle vibrator to thickness 350mm including necessary form work, finishing, belting , curing, brooming, numbering of slab and provn of joints etc complete all as specified and directed. Flexural strength shall be established by beam test and design mix formula should be compatible to as per IRC-44-2008, IS -456. Note :- (a) Non circular fibre synthetic reinforcement is inclusive and should be as per mix design (b) All type of joints shall be measured and paid separately. Curing compound will be applied at the paving stage after broom finish and surface is dry, and rate for use of curing compound shall be incl in quoted rate.. (c) No deduction shall be made from concrete for space occupied by construction and dummy joints. Deduction however be made for space occupied by expansion joints. (d) Minimum cement content per cubic metre of concrete shall be 400 Kg per cum. However actual cement content shall be worked out as per design mix and nothing extra shall be admissible on this account. (e) The rate quoted shall be inclusive of use and waste of form work for total thickness. (f) The trial bay will be executed as per above specifications and shall be got approved from GE. The quoted rate shall be deemed inclusive for this provision and nothing extra shall be paid on this account. (g) Surface shall be finished by traverse brooming of maximum 1.5 mm deep as per ICAO

Providing cement concrete type B1 1:2:4 (20 mm graded aggregate) in copings, plinth protection courses, string courses and the like including weathering, rounded or chamfered angles and throating including necessary form work complete all as specified and directed.

BVV ENTERPRISES