COMPREHENSIVE MAINT OF AIR FIELD INFRASTRUCTURE I.E. EARTH FILLING, PME, EPOXY, PAINTING ETC. AT AF STN BAMRAULI

M&L for preparation of old painted bituminous/concrete surfaces of runway/road for painting lines, dashes, arrows, letters and the like exceeding 10cm wide or girth and applying one coat of runway road marking paint golden yellow, black or white aqua based to give uniform finish complete all as specified and directed.

M&L for preparation of old painted concrete surfaces of runway slab / taxi track/dispersal for painting lines, dashes arrows letters (FOD marking) and the like not exceeding 10cm wide and applying one coat of runway marking paint orange aqua based to give uniform finish complete all as specified and directed.

M&L for preparing of old bituminous/ concrete surfaces of runway / taxi track and applying one coats of white wash complete all as specified and directed.

M&L for preparing of old concrete surfaces/wall and applying one coat of synthetic enamel paint in chequered pattern in two / three colours and desired pattern as directed by ATC all as specified and as directed

Surfacing dressing not exceeding 15 cm depth and getting out in soft/loose soil complete all as specified and as drected.

M&L for repair to broken/damage portion of concrete slab or pavement by cutting damaged portion to slab /spoils edges to triangular / rectangular cross section with mechanical cutter and removing all loose and foreign materials and depositing the same to out side MOD land and cleaning the surface by compressed air to remove all dust dirt etc and washing with hydrochloric acid and filling with epoxy resin mortar after application of epoxy primer as per manufacture instructions bull nosing the edges complete all as specified and directed. Note :- (i) Material obtained from damaged portion of concrete slab shall be removed from out side MoD land. (ii) working hours may be restricted due to flying operations. (iii) Unit quoteed rate shall be deemed to included the cost of power supply required for cutting of damaged portion of concrete slab of runway.

Cutting of existing Runway / taxi tracks at cracks and at spalled edges up to a minimum depth of 35 to 50 mm by mechanical tools making groove at edges cleaning through air blower / air blasting and applying propriety primer on the cleaned surfaces to obtain tack and finaly filling in ELASTOMERIC CONCERETE of mak choksey chemicals/CIPY/BASF or equivalent (prepared by mixing part A, Part B and adding fiber glass sand all as per manufactureres instructions) and properly mixing in purpose made mixer plant electrically operated) to obtain a homogeneous mix and finally tooling the surface with hand tools to obtain a grooved textured finish.

M&L for preparing of old black top surfaces by brooming with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surfaces with the use of air blowers to remove all loose dirt etc complete and applying cold polymer Modified Emulsion (PME) by spraying with machine of total cold liquid PME @ 0.89 litre per Sqm (undiluted) for two coats with mineral filler as recommended by manufacturer of PME (after diluting with water), each coat diluted in the ratio 1:1 (PME : Water) and ensure uniform finish of PME on Runway complete all as per manufacturer’s instructions and complete all as specified and as directed by Engineer-in-Charge. Make of PME : M/s L N Petro Chemical Private Limited (Brand name : EMULCOTE)/ M/s Hindustan Colas Private Limited (Brand Name : Hincol Hinmat Plus)/ M/s Ooms Polymer Modified Bitumen Pvt Ltd Note A:- The tenderer shall take following points into consideration and are deemed to be included in quoted rate:- (i) Due care shall be taken for friction parameters during application of PME as per ICAO (International Civil Aviation Organization) standard. (ii) The work shall be carried out through authorized and qualified applicator of PME manufacturers.(iv) A performance guarantee certificate for 3 (Three) years shall be submitted by the contractor to the GE on completion of work as specified. (v) Application of PME shall be done by flooding and wiping in both first coat and second coat with the help of wiper or as directed by the manufacturer. (vi) Application of PME shall be done under the supervision of manufacturer’s technical experts. (vii) Skid resistance test (Dry and Wet Condition) in every 5000 Sqm area of runway shall be carried out before and after PME by the Govt approved lab/by expert technician of PME manufacturer as directed by GE. (viii) PME required more/less than 0.89 litre/Sqm (undiluted) during execution of work as per direction of Engineer- in-Charge shall be measured and paid as supply only rate.

Supply only polymer modified emulsion complete all as specified.

M&L for preparing old black bituminous surface by fibre for removing all loose dust/dirt particle etc sweeping the surface with brooms and finally the cleaned surface with gunny bags to remove all loose particle / dust etc and applying evenly a coat of cold bituminous emulsion @ 5 Kg per 10 Square metres by brushing to an uniform and fully blinded surfaces complete all as specified and directed. Note:- (i) Cold bituminous emulsion shall be slow setting emulsion (SS-1) (IS:8887) and shall be procured directly from the manufacturer's only and brought at site in sealed drum/container of 200 litres.