Tender For Miscellaneous Maintenance Work To Runway Airfield Pavements, Shoulders, Dispersal And Taxi Track Like Pme On Airfield Flexible Portions, Field Marking Painting, Repairs To Crack/ Broken Edges Of Pavements With Epoxy, Pu Joint Filling And Other
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Project Description
Tender For Miscellaneous Maintenance Work To Runway Airfield Pavements, Shoulders, Dispersal And Taxi Track Like Pme On Airfield Flexible Portions, Field Marking Painting, Repairs To Crack/ Broken Edges Of Pavements With Epoxy, Pu Joint Filling And Other Connected Items At 8 Fbsu, Af Stn Awantipur
BOQ
| Sl. No. | Item Description |
| 1 | Repair to existing joint in PQC/PCC rigid pavement of size 20 to 40 mm wide and 40 mm depth (average) consisting of the following activities, complete all as specified and directed by Engr-in-Charge. Racking out old decayed/ damaged existing sealing compound and cleaning the joints thoroughly by removing dust, dirt, foreign material by appropriate hand tools such as chisel, Hammer or L hooks.Note:- (a) After cleaning the joints thoroughly, it shall got approved from GE before progressing further. |
| 2 | (b) Removing the existing sealing compound from the edges, bottom and sides of the joints by cutting edges, bottom and sides of the joints 1mm of the existing construction joints {up to the full depth of 40mm (average)} by mechanical tool (diamond cutter) to make the cross section of joint truly rectangular. Note:- Cutting the edges/sides/bottom of joints by using diamond cutter only and clean surfaces shall got approved by GE, after cleaning process, primer and joint filling shall be done in presence of Engineer-in-Charge. |
| 3 | (c) Once again cleaning the joints with compressed air and applying two priming coats up to the full depth and width of the existing joints after an interval of 30 minutes to complete prepared surfaces of the joints. |
| 4 | (d) Filling the closed polyethylene back up road 20 to 40 mm dia (as applicable to joints) of approved make and applying bond breaker tape on top of backup rod for complete width of joint and filled with polysulphide or polyurethane based sealant (minimum depth of sealant above backup rod shall be 15 mm) all as per manufacturer's instruction including applying masking tape on edges of joints to prevent accidental spillage of sealant on top surfaces and removing the tape after sealant is applied, complete all as specified and as directed by Eng-in-Charge. Note:- Masking tape shall invariably be used on both sides of the joints and before further progressing of joint shall be got approved by Engineer-in-Charge. A penal recovery of Rs. 20.00 /RM shall be effected for both sides if masking tape not found used for joint filling. |
| 5 | (e) Electric supply shall be arranged by the contractor at his own arrangements and rate quoted for the item deemed included the same. |
| 6 | M&L for cutting the edges of the cracks into V shape up to 15mm to 20mm wide and 25mm to 30mm deep and removing the old / all loose material to a distance n. exc 100 mtrs including cleaning the cracks thoroughly with help of blower and filling the cracks with rubberized cut back bitumen complete all as specified and directed by Engineer-in-Charge (Crack should be Refilled up to top if settlement occurred in crack within 24 Hrs after first time filling). |
| 7 | M&L for repair to broken edges / corners / cracks of any width in concrete/ Rigid pavement by cutting grooves in rectangular /square form with hand tools/ diamond cutter up to a depth of 25mm including removal of all loose and foreign materials to a distance exceeding 50 m and not exceeding 250 m and cleaning of grooves by means of compressed air complete all as specified and directed so as to remove all dust, dirt, sand and foreign material with applying primer coat and filling with component system mixture/ chemical as per manufacturers instructions complete all as specified and directed. |
| 8 | M&L for preparation of black top surface by wire brushes for removing caked mud etc sweeping with brooms and finally fanning cleaned surface to remove all loose dust etc and wetting the surface with water as directed by Engineer-in-Charge, applying High Quality, quick setting and versatility Bitumen emulsion RS-1 is a type of Rapid setting polymer modified emulsion, Specification as per ASTM D997, IS 8887 with mechanical sprayer in two coat and each coat @0.6 Kg (0.30 Kg Solution + 0.30 Kg water) /Sqm mix with water 1:1 as directed by Engineer-in-Charge. |
| 9 | M&L for preparation of old concrete surfaces of any description and applying one coats of paint for painting lines, dashes, arrows and letters etc exceeding 10cm width road marking paint white or golden yellow by using a water based paint complete all as specified and directed by Engineer-in-Charge. Notes : 1. Colour shade will be finalized by GE before incorporating in work. 2. Painting to be done in every quarter and measured each time separately. 3. 25% of the material used in this item should be procured firstly by contractor as on or before starting the work. |
| 10 | Demolition of cement concrete (Unreinforced) in ground floors and paving n.exc 15cm thickness (below or above ground level) complete all as specified and directed. |
| 11 | M&L for 75mm thick PCC 1:4:8 type D2 (using 40 mm graded crushed stone aggregate) as in sub base of floors complete all as specified and directed. |
| 12 | 100 mm thick, cement concrete type B-1, (1:2:4) using 20 mm graded crushed stone aggregate, finished even & smooth without using extra cement, as in flooring, complete all as specified. |
| 13 | Supply only Liquid water proofing compound to be used in cement concrete/ cement plastering work Please Enable Macros to View BoQ information |
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