MAINTENANCE OF AIRFIELD INCLUDING ALLIED WORKS AT AF STN PURNEA UNDER GE (AF) PURNEA

Amount

Cutting Bushes any type and area covered with thick bushes and removing roots and making good the disurbed surface by filling along the sides of Runway shoulders by Mechanically using JCB and One chain Saw Tree Cutting Machine including Operators and two Un-skilled labours along with Fuel, lubricants, spares and renewal of tyres/tubes as required for,Eight Hours per Day includin removing of bushes, roots, loose items to a distance exceeding 250m bu not exceeding 500m from the site complete all as specified and directed by Engr-in-Charge. Note:- (a) Area shall be as decided by the Engineer-in-charge and representative of users. (b) One JCB and one chain saw, Tree cutting Machine including Operators and Two Un-skilled labours for Eight Hours per Day shall be treated as One Job. (c) Proper care shall be taken while removing th roots etc.ato avoid and damage to the existing underground cables and pipelines etc. Damage if any occurs to the underground cables and pipelines, the same shall be made good immediately to match the existing and to restore the services and rate quoted is deemed to be including the same. (d) The works is required to be executed along Main/Seconday Runway. Therefore, the work shall be executed during non-flying hours eithef during Day or Night without causing and ditrubance for flying. (e) The work is required to be executed in highly restricted area. (f) Proper safety arrangement equipment shall be provided by the contractor for workmen. (g) The rate quted shall be deemed to be considering all the above provisions and nothing shall be paid extra on this account.

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

M&L for brick work with sub class ‘B’ bricks old size, straight or curved on plan exceeding 6 Metre mean radius built in cement mortar (1:4) complete all as specified and as directed.

Taking down cement plaster of any description on brick / concrete surfaces etc including raking out joints, hacking for keys, scrubbing down with water etc complete all as specified and as directed. Note:- The demolished material should be disposed off out side the MOD land. The contractor shall quote his rates considering this aspect.

M&L for rendering 15mm thick cement mortar (1:4) on brick work or concrete surfaces, finished even and smooth without using extra cement complete all as specified and as directed.

Cleaning of drains by removing silt, taking out brick bats, pebbles, muds, clay sludge etc from the bottom of drain and culvert bed and removing to a distance not exc 50 m and deposited where directed complete all as specified and as directed.

Maintenance of airfield shoulders by deploying Tractor with suitable capacity jungle jim with tractor operator and two Helpers for cutting of grass and one helper for sweeping grass after cutting of grass bushes, small plants of any type along the sides of Runway shoulders and airfield areas including supply of fuel,lubricants, spares and renewal of tyres/tubes as required for smooth operation of equipment deployed including maintenance of tractor, jungle jim, insurance and license fees including removing of debris to a distance exceeding 250m but not exceeding 500m from the site complete all as directed. Notes:- (a) Area shall be as decided by the Engineer-in-charge and representative of user. (b) 01 Nos of Jungle jim shall be made available at all times at site and the same may be increased to required numbers as per site requirement. (c) The work is required to be exelcuted along main/Secondary Runway. Therefore, the work shall be executed during non-flying hours either during Day or Night without causing any distrubance for flying. (d) The work is required to be executed in highly restricted area. (e) Proper safety arrangement, equipment shall be provided by the contractor for workmen. (f) The rate quoted shall be deemed to be considering all the above provisions and nothing shall be paid extra on this account.

Periodic Supply of Hand held Grass cutting Machine of Make Honda or equivalent with Machine operator and one Helper for Cutting and sweeping grass after cutting of Grass, bushes, small plants of any type along the sides of Dispersal Area. Taxi, Track, Runway, shoulders and Airfield areas throughout the year, including supply of Fuel, lubricants, spares, renewal of blades as required includin maintenance and repairs to Machine and trade insurance and license fees includin removing of debris as when required distance exceeding 250m but not exceeding 500m from the site complete all as directed by Engr-in-Charge. Note:- (a) Area shall be as decided by the Engineer-in-charge and representative of user. (b) One No of Hand held Grass cutting Machine shall be mad available at all times at site and the same may be increased to required numbers as per site requirement. (c) An area of 1000 Square Metres shall be treated as one job for masurement and payment purpose irrespective of the plant, machinery and mapower emplyed for each job. (d) The work is required to be exelcuted along Main/Secondary Runway. Therefore, the work shall be executed during non-flying hours either during Day or Night without causing any distrubance for flying. (e) The work is required to be executed in highly restricted area. (f) Proper safety arrangement, equipment shall be provided by the contractor for workmen. (g) The rate quoted shall be deemed to be considering all the above provisions and nothing shall be paid extra on this account.

Scraping of grass shurbs, weeds, bushes, vegetation etc manually at ground level including removal of small irregularities in natural ground stacking of spoil into heaps and removal of spoil exc 250mtrs and and not exc 500mtrs and deposting where directed by the Engineer-in-charge. Note:- Measurement for scrapping of grass shall be measured only one time upto period of completion required scraping of grass during the period of completion No payment shall be made and separated which is already included in quoted rate.

Removing old layers of paints by scrapping with metal wire brush and suitabe tools and clean the surface by sweeping and then using electric blower and applying one coat of Apcotrak is of Asian or berger or equavalent road marking paint, water based matt finished as per IS-164 of white, Golden yellow, deep orange, red and black in lines, dashes arrows, circle trangle etc, on concrete or, bitumen surfaces/ pavements and the like exceeding 10cm in width with marking machine with two Guns or equivalent or higher capable to work. (Airless spray applications as per IS-164/RM-164) ,complete all as specified and directed by Engineer-in-Charge. Note :- Rates for supply of material are included in the item.

Description all as per item No. 10.00 here-in-above but for n. exceeding 10cm in width as in borders to painting/ taxi line/ guide line complete all as specified and as directed by Engineer-in-Charge. Note :- Rates for supply of material are included in the item.

M&L for prepartion of new or untreated surfaces, including preparation of surface by cleaning, sweeping and then using eletric blower and applying one coat or more coats of each coat of apcotrak of Asian or Berger or equavalent road marking paint, water based matt finished as per IS-164 of white, Golden yellow, deep orange, Red and Black in lines, dashes arrows, circle triangle etc, on concrete or, bitumen surfaces/ pavments and the like exceeding 10cm in width with mechanical pavement marking machine Graco line lazer v5900 with two guns or equivalent or higher capable to work. (Airless spray applications as per IS-164/RM-164) complete all as specified and directed by Engineer-in-Charge. Note :- Rates for supply of material are included in the item.

M&L for removing old layers of paints by scrapping with metal wire brush and suitalbe tools and clean the surface by sweeping and then using electric blower for complete obliteration and applying one coat of Apcotrak IS of Asian or Berger Road marking paint, water based matt finished of colour ofwater base will be concrete/ bituminous surface background colour and as per the requirement in arifield and associated areas as per IS-164 in lines, dashes, arrows, letter, circle, triangle etc exceeding 10 m in width with brush complete all as speified and directed by Enginer-in-charge. Note :- Rates for supply of maerial are included in the item.

M&L for preparation of old painted surfaces of concrete/ bituminous pavements and roads by cleaning with metal wire brushes, brooms and finally dusting with a piece of cloth/ rags and applying one coat of white wash on surfaces exc 10 cm width complete all as specified and as directed. Note :- Rates for supply of maerial are included in the item.

M&L for preparation of old painted surfaces by scrapping with metal wire brush and suitable tools and clean the surface by sweeping and then using electric blower and applying one two coats of synthetic enamel paint of any tint as in line, dashes letter etc on concrete or bitumen surfaces/ pavements and the like exceeding 10 cm in width with white/black/red/yellow/orange or any other approved tint etc complete all as specified and as directed by Engineer-in-charge. Note :- Rates for supply of material are included in the item.

Dismatling existing DTGM board (Distance to go marker boards use runway in which numerical reflective tape) of any size complete all as specified and as directed.

S&F in repair 50mm bore PVC pipe of Low density polyethene (LDPE) pipe of pressure rating 6Kgf/Sqcm as in DTGM board fixed with suitable screws and make it functional etc complete all as specified and as directed. Make :-M/s Prince / M/s Supreme / M/s Oriplast

S&F micro prismatic type retro reflective boards confirming to Type-XI of ASTM D-4956 and IRC-67-2010, made of 3mm thick PVC shetting. The front and side are to be covered with micro prismatic polycarbonate retro reflective sheeting confirming to Type XI of ASTM including writing letters / figures of size suitable for DTGM board as per AF authority etc complete all as spcified and as directed.

Demolition of cement concrete un reinforced of Concrete of any description and in any position not otherwise specifically provided for complete all as spcified and as directed.

Excavation in post holes (or similar holes) in soft/loose soil each n.exc 0.50 cum getting out returning filling in and ramming earth or broken rubble mixed with earth around in layers not exceeding 25 cm, watering and removing surplus soil to a distance n.exc 50m and making good surface complete all as spcified and as directed.

M&L for plain cement concrete (1:3:6), type C1 (using 20mm graded stone aggregate) as in post filling, bed plate and bed block to hold fast concrete.complete all as spcified and as directed.

Providing and fixing of retro-reflectovised cautionary, mandatory and informatory sign board as per IRC :67-2012 made of encapsulated lens tube reflective sheeting vide clauses 801.3 sized over 3mm thick ACP (aluminium composite pannel) sheeting supported on PVC pipe dia as reqiurements, similarly fixed to the above the ground and all legs of board inserted in ground as per requirement means of properly desinged by concerning authorty/as per approval drawings. Letters, borders etc. as per IRC : 67-2001 in silver white with blue colour back ground and with high intensity grade including rate of repair and refixing and dismantling of existing unserviceable sign board complete all as specified and as directed.

Excavation over area not exceeding 1.5mtr deep and getting out in soft/loose soil complete all as specified and as directed.

Removing excavated material (soil) exc. 1.5km but n. exc 5.0 km and depositing where directed at a level n exc. 1.5m above the starting point including raising (or lowering) earth spreading in layers n exc. 30 cm thick, levelling, watering and well ramming. Each layer to be compacted to surfaces in cutting & filling with roller exceeding 8 tonne and not exceeding 12 tonne to achieve dry density min. 95% of Modified Maximum Proctor Density as per IS 2720 Part VIII.

shashi bhushan gupta

M/s.Keshab Chandra Ghosh

M/s. Rakesh Roshan

M/S. R.K. ENTERPRISES

M/S RAM DAS

[email protected]

RAJEEV KUMAR

Prahalad Rai