REPAIRS TO LINK SIGN BOARD, PAINTING AND JOINT FILLING OF RUNWAY AND DISPERSAL AREA AT 20 WING AF STN UNDER GE (AF) BAGDOGRA

Amount

De silting / cleaning completely solid silts/soils from drain manually and removal of silt/soil to a distance not exc. 250 metre and depositing into excavated pit of appropriate size as directed and filled up with earth in each layer of 30 cm thick complete all as specified and as directed.

Uprooting the grasses from joints manually and removal of grasses to a distance not exc. 250 metre complete all as specified and as directed.

Surface dressing of any type of soil n exc 15 cm deep in runway shoulder and removal of grasses to a distance not exc. 250 metre complete all as specified and as directed. (Note :- Levelling and ramming after surface dressing wherever required is deemed to be included in this rate. Contractor has to be ensure that no FOD/ Dust material left besides runway &PTT).

Demolition of PCC in ground floor and paving of any thickness (below or above ground level) etc all as specified and directed.

M&L for 100mm thick PCC (1:4:8) Type D2 (using 40mm graded stone aggregate) as in sub floor all as specified.

M&L for 100 mm thick PCC (1:2:4) Type B1,(Using 20mm graded aggregate) as in hard standing etc laid in bays finished even and smooth without using extra cement complete all as specified and as directed.

Taking out existing old/broken/unserviceable runway and links sign boards of any description grouted/embedded portion from ground including disconnecting the electrical connections if any S&F powder coated alluminium frame and angle (40x40x2MM) both side printed translite with outer acrylic layer LED Modular lights with IC Module inside size 1MTS x 3MTS with M/S round pipe stand at the edges to be grouted on ground by excavating in any type of soil and providing PCC 1:2:4 type B1 (using 20mm aggregate) at one end and the other end should be fixed with sign board by providing nut and bolts systems with SS plate 2mm thick of 60mmx16mm size including required electrical connection complete all as specified and directed :- board Size (1.0 m X 3.0m).

All as per item No 07 above, but board size (1.0 m x 1.0m) and IC Module inside size 1m x 1m.

M&L for repair to concrete pavement broken edges, developed cracks as per site requirement by cutting out concrete with diamond saw cutter of concrete to square or rectangular shape with minimum 25mm wide & 20mm deep and cleaning off all loose or broken material to a distance exc 50m and nexc 100m, and cleaning the groove with broom and air compressor to get the groove free from dust grits etc and filling with epoxy resin mortar with quartz sand including form work where required after priming the surface as per manufacturer's instructions and as directed by Engr-in-Charge. Note:-where the thickness is more than 5cms, epoxy resin mortar shall be applied in two layers.

M&L for preparation of old/new concrete / bituminous painted surface and applying one coat of water based road marking paint of white/yellow or orange shades as approved exc 10cm width or girth with rewriting letters, figures, symbols, lines etc with roller brush complete all as specified and directed by Engr-in-Charge.

All as per item no 10 above, but 2nd coat. (Note : Break between each coat should be exc 3 month and not exc 4 month).

Cutting of grasses of shoulders/wing areas of runway and taxi track area with mechanical grass cutter suitable for runway area with cutting upto 50 to 150mm height of grasses and removing grasses outside tech area complete all as specified and as directed.

M&L for racking out joints upto a depth of 25mm, saw cutting the vertical sides of joints for making edges of joints straight upto the possible extent by keeping maximum width of joint 10mm to 15mm, cleaning all loose particle/dust from the joints by using brushes, compressed air, blowers etc, fixing masking tape along either side of the joints, placing back up sheet 10mm to 12mm thick in position and filled with polyurethane based sealing compound ( pitch free ) having 3mm racess from top of joint after applying suitable primer as per manufacturer's instruction and directed at site. complete all as specified and as directed.

All as per item No 13 above, but width of joint 16mm to 25mm.

All as per item No 13 above, but width of joint 26mm to 35mm

NOTES :- 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum. 2. Unless otherwise specified the rates for PCC shall deemed to include the cost of formwork shuttering etc., required for complete and proper execution of the work. Refer Schedule A notes for details.

SHRI P P SHARMA

M/S SWAPAN KUNDU

BUILDERS ASSOCIATE

M/S MANAS MITRA

HALDER ENTERPRISERS

SUNIL DAS AND CO

M/s Prakash Traders