Drainage Works Tenders

P/L Geotextile sheet (Non-wooven type) having thickness of 2mm approx.with weight 200. GSM (Minimum) etc, as per clause 702.2.1 of MoRTH(5th Revision) on a compacted sub grade for drainage,separation/ filtration and erosion control & prevent intermixing of two layer of dissimilar materials. Complete in all respect and to the entire satisfaction of engineer-in-Charge. (N.S)

II) DRAINAGE NETWORK Excavating trenches by mechinical / manual means of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, for all depth, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m : All kinds of soil. Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia

a) Periodical Maintenance of drainage network manually or using Pressure jetting machines twice in a year or more, if required, i/c desiliting

Providing and fixing of uPVC Sliding windows: Frame Made from the Extruded uPVC Window Profile Section of size 106w x 50h mm having outer wall thickness of 2.5mm (+/- 0.2mm) and 3 box multi-chamber construction, White in finish, duly reinforced with 1.2 mm thick GI section. Frame shall have three track configuration, two for sliding of window shutter and one for mosquito mesh shutter. Vertical member of frame which bears the sliding shutter load shall have aluminium rail/track for smooth sliding of shutter rollers. All the four corners shall be mitered cut & thermal welded so as to form window frame. Frame shall be milled with drain and air equalizer hole in order to be water tight and for drainage of accumulated water, if any, to outer side. Shutter : The shutter of sliding window shall be made of 39w x 69h mm Extruded 3 box multi- chamber uPVC Window Profile Section of white colour having outer wall thickness of 2.5mm (+/- 0.2mm) provided with reinforcement of 1.5mm thick GI section duly mitered cut & thermal welded at all corners and fitted with uPVC glazing bead of size 22 x 20 mm with inner and outer co-extruded EPDM/TPE-E weather seal gaskets alongwith 6mm thick ISI make plain float glass. Mesh shutter shall be made of 39w x 69h mm Extruded 3 box multi-chamber UPVC Window profile section of white colour having outer wall thickness of 2.5mm (+/- 0.2mm) provided with reinforcement of 1.5 mm thick GI section duly mitered cut & thermal welded at all corners and fitted with nylon/polymer mesh and rollers/pully.

Drainage Spouts in Superstructure including providing drip mouldings and also including supplying, fitting and fixing approved type of materials complete as per drawing and Technical specification vide clause no. 2705 of MoRT&H’s Specification for Road & Bridge Works.

M & L Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever required complete all as specified and directed.