Guwahati Metropolitan Development Authority Tender

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in foundation complete as per drawings and technical specifications Clauses 1000 and 1202

Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications Random Rubble Masonry

Providing & making Gabion structure with Mechanically Woven Double Twisted Hexagonal Shaped Wire mesh Gabion Boxes as per IS 16014:2012,MORTH Clause 2500, of required size, Mesh Type 10x12(D=100 mm with tolerance of ± 2%) Zinic+PVC coated, Mesh wire diameter2.7/3.7mm, mechanically edged/selvedged with partitions at every 1m interval and shall have minimum 10 numbers of openings per meter of mesh perpendicular to twist, tying with lacing wire of diameter 2.2/3.2mm(ID/OD), supplied @3% by weight of Gabion boxes, filled with boulders with least dimension of 200 mm, as per drawing, all complete as per directions of Engineer-in charge

Back filling including supplying of required materials and consolidation etc. complete with :

Back filling including supplying of required materials and consolidation etc. complete with :

Stone aggregate 20 mm nominal size

Stone aggregate 40 mm nominal size

Construction of temporary blockade of size 0.75m X 0.40m by earth filled cement bags supported with Bholuka bamboo pallasiding at both sides in the bed of channel for draining water through a restricted path at the time of re sectioning/construction of foundations of flood walls etc. including driving of bamboo posts 0.80m above ground and 1.00m below ground at 0.30m clear apart, tying with one row half Jati bamboo kamies and removing of the blockade after completion of the work etc. complete as directed.

Earthwork in de-siltation of drainage channel to proper grade and slope up to required section including excavation of side slopes and bed of the channel in marshy /muddy soil, removal of all derbies like decomposed organic matters, plastic garbage, aquatic plants, water hyacinth etc, dewatering by manual means if necessary etc. and removing of the excavated soil and garbage /spoils up to a distance of 100m etc. including all lead and lift complete as directed.

Carriage of excavated muddy/slushy soil/garbage by truck of 10 MT capacity and depositing the same in suitable dumping ground within an average lead of 5.00 Km including cost of P.O.L. and loading/unloading charges etc. complete as directed.

Supplying & laying of drainage composite for use behind walls, between two different fills, alongside drains of road, below concrete lining of canals etc. Geocomposite for planar drainage, realized by thermobonding a draining core in extruded monofilaments with two filtering nonwoven geotextiles that may also be working as separation or protecting layers. The draining three dimensional core will have a “W” configuration as longitudinal parallel channels. Minimum thickness to be 7.2mm, with two filtering UV stabilized polypropylene nonwoven geotextile of minimum thickness of 0.75mm charecteristic opening size (O90) of 110 micron and tensile strength of 8.0 kN/m that will be working as separation or protecting layer, geocomposite having in plane flow capacity of 2.1 L / (m.s) at hydraulic gradient of 1.0 & 20 kPa pressure and tensile strength of 18 kN/m , with mass per unit area of 740 gsm, supplied in the form of roll for easy transportation to site of work as per detailed specification all complete as per directions of Engineer in charge

Dewatering by 5 H.P. water pump including supply of necessary fuel, engine oil and pump operator etc complete as directed.

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.

In mud mortar

In cement mortar

Demolishing stone rubble masonry manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge :

In lime mortar

In cement mortar

Providing and laying minimum 150mm thick (consolidated thickness as called for) hard core fill under floor, paving and other locations with approved hard stones of size 50mm and down, hand packed into position, interstices thoroughly filled with smaller chips, blinding with moorum, rolled, watered and consolidated to required level complete. stone dust as per Technical Specification Clause 413.4

U-PVC pipes (working pressure 4 kg / cm²) Single socketed pipe 75 mm dia