|
| 1 | SCH \" A\" PART- I :- INCOMPLETE BALANCE AND DEFECTIVE WORK |
| 2 | Demomition of cement concrete (unreinforced) in ground floor and paving(Below or above ground level) any description, complete all as specified and directed. |
| 3 | Surface excavation not exc 30 cm deep and averaging 15 cm deep and getting out in soft/loose soil, complete all as specified and directed. |
| 4 | M&L for Sand filling under floors or in foundations including watering and consolidation, complete all as specified and directed. |
| 5 | M&L for 100 mm thick Machine pressed precast concrete interlocking paver block of any shape and size confirming to IS 15685-2006 of M-40 Grade with grey cement and no pigment, complete all as specified and directed. |
| 6 | M&L for 120 mm thick Machine pressed precast concrete interlocking paver block of any shape and size confirming to IS 15685-2006 of M-40 Grade with grey cement and no pigment, complete all as specified and directed. |
| 7 | Supplying and laying 400 micron thick HDPE sheet (Virgin Quality) water proof, wrinkle free without puncture having minimum weight 390 gm/Sqm over sand cushion as specified in the design with overlap between adjacent strips at transverse joints as minimum 300mm, complete all as specified and directed. |
| 8 | Removal of excavation soil n. exc. 50mtr and depositing where directed n. exc. 1.50m above the starting point, complete all as specified and directed. |
| 9 | Removing excavated material.exc 1.5 Km upto 5 Km and depositing where, complete all as specified and directed. |
| 10 | Concrete of any description (unreinforced) and in anypositionnot otherwise specifically provided for, complete all as specified and directed. |
| 11 | M&L for Pavement quality concrete(PQC) of minimum 28 days field Flexural strength of 45Kg/ Sqcm, aggregate gradation as per Table 3 of IRC 15 2017, coarse aggregate of clean, hard strong, dense non-porous and durable pieces of crushed stone or gravel, fine aggregates of clean natural sand or crushed stone sand or combination of both using minimum 360 kg/cum of cement with non-circular virgin synthetic fibre of 12-18 mm length, specific gravity 1.34 to 1.39, UV stable, alkali resistant, with equivalent dia 15-40 micron, minimum melting temperature as 250°C and minimum tensile strength of 300 Mpa and at the rate as specified by the manufacturer. PQC laid, spread and compacted with slip-form paver of minimum 7.50 m width, including curing and tining by Texturing cum Curing Machine complete all as specified and directed. Required surface texturing to be done as specified in Table-9 of IRC\" 15-2017 532, complete all as specified and directed. |
| 12 | M&L for dummy Joint Racking out of old existing sealant compound and backup rod of the existing joints by special tools like cutting blades/machines, widening of joints by 2 mm by using joint cutting blades of appropriate size straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil vegetation and other debris Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before pacing the backup rod and pouring the sealant. Thereafte filled with closed cell, medium density, cross linked polyethylene foam backup rod of 8 mm dia fo complete length of the joint, over it to be filled with polyurethane joint sealant meeting the requirements mentioned in BS-5212, BS 4254 and EN-141875- 2003 with minimum movement accommodation factor (MAF) of +/- 30%, complete all as specified and directed. |
| 13 | M&L for Construction Joint ,racking out of old existing sealant compound and backup rod of the existing joints by special tools like cutting blades/machines, widening of joints by 2 mm by using joint cutting blades of appropriate size straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil vegetation and other debris. Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before pouring the sealant Thereafter filled with closed cell medium density, cross linked polyethylene foam backup rod of 12 mm dia for complete length of the joint, over it to be filled with polyurethane joint sealant meeting the requirements mentioned in BS-5212, BS 4254 and EN-141875- 2003 with minimum movement accommodation factor (MAF) of +/- 30%, complete all as specified and directed. |
| 14 | M&L for expansion joint, racking out of old existing sealant compound, back up rod and filler board of the existing joints by special tools like racker/cutting blades/machines , widening of joints by 2 mm by using joint cutting blades of appropriate size, straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil, vegetation and other debris Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the filler board and pouring the sealant Thereafter filled with pre-molded 25 mm thick compressible polyethylene closed cell type filler board as specified , over it filled with closed cell medium density, cross linked polyethylene foam backup rod of 30 mm dia for complete length of the joint. Finally filled with polyurethane joint sealant meeting the requirements mentioned in BS-5212, BS 4254 and EN-141875-2003 with minimum movement accommodation factor MAF of +/- 30%, complete all as specified and directed. |
| 15 | Forming 20 mm width expansion joint in concrete slab for full depth of PQC. Early entry saw and subsequent cutting by using diamond bit cutter of appropriate size. straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil, vegetation and other debris. The joint then filled with pre-moulded 25 mm thick compressible polyethylene closed cell type filler board as specified thereafter application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant Placing of closed cell medium density, crossed linked polyethylene foam backup rod of 30 mm dia, over filler board and filled with polyurethane based sealant complying with BS5212, BS 4254 and EN-141875-2003 with minimum movement accommodation factor (MAF) of +/- 30% having minimum 10 year performance guarantee applying masked tape on the edges of joints and removing the masking tape after filling of sealant as per the method specified by the manufacture, complete all as specified and directed. |
| 16 | Cutting of construction joints 25 mm deep and 10 mm wide by early entry saw cut using diamond bit cutter of appropriate size, straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil, vegetation and othe debris Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant. Placing of closed cell medium density, crossed linked polyethylene foam backup rod of 12 mm dia, application of bond breaker tape on top of back up rod for complete width of the joint and filled with polyurethane based sealant complying with BS-5212, BS 4254 and EN- 1418752003 with minimum movement accommodation factor (MAF) of +I- 30% having minimum 10 year performance guarantee, applying masked tape on the edges of joints and removing the masking tape after filling of sealant as per the method specified by the manufacturer, complete all as specified and directed. |
| 17 | Forming dummy/contraction joint with an initial saw cut of 3 mm soon after the concrete has set, upto a depth of 1/3rd to 1 /4th the thickness of the slab widening the first saw cut to 6 mm and 24 mm deep by using diamond bit cutter of appropriate size straight and smooth edges Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil vegetation and other debris. Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant. Placing of closed cell, medium density, crossed linked polyethylene foam backup rod of 8 mm dia application of bond breaker tape on top of back up rod for complete width of the joint and filled with polyurethane based sealant complying with BS5212, BS 4254 and EN-141875-2003 with minimum movement accommodation factor (MAF) OF +/- 30% having minimum 10 year performance guarantee applying masked tape on the edges of joints and removing the masking tape after filling of sealant as per the method specified by the manufacturer, complete all as specified and directed |
| 18 | Forming 25 mm width expansion joint in concrete slab for full depth of PQC. Early entry saw and subsequent cutting by using diamond bit cutter of appropriate size. straight and smooth edges. Join cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil, vegetation and other debris. The joint then filled with pre-moulded 25 mm thick compressible polyethylene closed cell type filler board as specified thereafter application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the backup rod and pouring the sealant Placing of closed cell medium density, crossed linked polyethylene foam backup rod of 30 mm dia, over filler board and filled with polyurethane based sealant complying with BS5212, BS 4254 and EN-141875-2003 with minimum movement accommodation factor (MAF) of +/- 30% having minimum 10 year performance guarantee applying masked tape on the edges of joints and removing the masking tape after filling of sealant as per the method specified by the manufacture, complete all as specified and directed. |
| 19 | Repair to broken edges/corners/crackof any width in concrete/rigid pavement by cutting grooves in rectangular/square form hand tool/diamond cutter upto depth of 25 mm including removal of all loose and foreign materials to distance exceeding 50 meter and not exceeding 25 meter and cleaning 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 epoxy resin mortar as per manufacturers instructions, complete all as specified and as directed. |
| 20 | Demolition of lime concrete of any descriptionand in any position (black top road surface incl BM, SDAC, DAC), complete all as specified and directed. |
| 21 | Cutting existing cracks in bituminous surface exc 4 mmwide at top and 75 mm deep in V groove with a cutter/router machine cleaning with compressor, brushing hard and filling cracks with samifilla \"A\", complete all as specified and as directed. |
| 22 | Preparing surfaces by brushing with wire brushes for removing caked mud, sweeping with brooms and finally fanning the cleaned surface with air compressors to remove all loose dirt on Black top or concrete surfaces. Surface should be dry and dustfree, complete all as specifiedandasdirected. |
| 23 | Rolling and consolidation formation surfaces in cutting at OMC to achieve 98 percent of maximum of dry density with 8 to 12 Tonne power roller including filling in soft spots, depression etc., which occur during rolling (for portion coming in cutting/original ground only) to required level and gradient including watering before and during rolling, complete all as specified and directed. |
| 24 | Providing and consolidating 50mm thick premix Dense Asphaltic Concrete (DAC-II) using minimum 5.6% PMB 76-22 binder by weight of total mix aggregate gradation as per Bituminous Concrete Grading 2 of Table 500-17 of MoRTH specification for road and bridge works 2013, rolled and compacted to required camber and gradient, complete all as specified and directed. |
| 25 | Applying evenly a tack coat of Bitumen VG-10 grade conforming to IS: 73 at a rate of application of 0.3-0.4 kg/sqm on bituminous surface as specified in Table 500-5 of MoRTH specification for road and bridge works 2013, using mechanical spraye, complete all as specified and directed. |
