Water Resources Department Tender

Supply of Rope Polypropylene (PP) Gabion of size 2 m × 2 m × 0.45 m having the following properties i. Mesh opening size 150 mm × 150 mm ii. Rope Diameter of 9.0 mm iii. Linear Density of rope ≥ 65.1 gm/m iv. Tensile Strength ≥ 1900 Kg v. Abrasion Resistance of rope after 1000 cycles ≥ 65% vi. CBR Puncture Strength ≥ 7000 Kg.;

Supply of Geo-Textile Bags, Type C of Size 1.50 m × 1.00 m, inner dimension made of composite layers of geo textile as per specifications below: Woven Geo-textile for the outer cover. The woven geo textile is woven with UV resistant slit film tape fibre with MAVR values of the following properties. Geo-textile used to manufacture geo-textile bags should have high mechanical properties for enhanced durability along with enhanced puncture, abrasion and U.V.resistance characteristics. Geo-textile should be inert to biologicaldegradation and resistant to naturally encountered chemicals, alkalis, and acids.  Weight (ISO-9864/ASTMD 5261) ≥ 250 Gms/Sqm. Tensile strength (MD) (ASTMD 4595) ≥35 kN/m.  Tensile strength (CD) (ASTMD 4595) ≥ 35 kN/m.  Tensile elongation (ASTMD 4595) ≥ 5% & ≤ 30%.  Grab Elongation (ASTMD 4632) ≥ 5% & ≤ 30%.  Tensile strength (ASTMD 4632) = 1.5 kN.  UV resistance (ASTMD 4355) = 70%/500 hrs. Non-woven Geo-textile for the inner layer. It is needle punched non-woven geo-textile made of 100% polypropylene staple fibers which are formed into a random network for dimensional stability. It should resist UV degradation, rotting and alkalis.  Weight (ISO-9864/ASTMD 5261) ≥ 300 Gms/Sqm.  Tensile strength (MD) (ASTMD 4595) ≥ 12 kN/m  Tensile strength (CD) (ASTMD 4595) ≥ 12 kN/m  Tensile Elongation (ASTMD 4595) ≥ 5% & ≤ 30%  Grab Elongation (ASTMD 4632) ≥ 5% & ≤ 30%  Tensile strength (ASTMD 4632) = 1.5 KN  UV resistance (ASTMD 4355) = 70%/500 hrs (Bags are to be supplied of 100 numbers or part in a bundle, properly packed with name of Manufacturer and Batch Number is to be marked on each bag with “WRD Govt. of ASSAM” to be printed on each bag and mentioning properly the GSM and type of Geo bag polymer. Test Certificate from approved NABL accredited and ISO Certified Laboratory should invariably be submitted against each batch of material)

Supply of G-Mat in double layered composite Geo textile fabricated to form a three dimensional mattresses, the upper layer of the mattress being heavily woven with polypropylene fabric needle punched with a mixture of U.V. stabilized green fibres and cut tape yarns with Upper Layer Properties as i. Mass per unit area 650 GSM, ii. Tensile Strength (MD) ≥ 70kN/m, iii. Tensile Strength (CD) ≥ 70kN/m iv. Tensile Elongation (MD) ≤ 25%, v. Tensile Elongation (CD) ≤ 25%, vi. Pore Size 0.35 mm vii. Abrasion Resistance ≥ 35 %, viii. UV @ 500 hours ≥ 90% ix. Resistance to Oxidation @ 100°C for 28 days) ≥ 80% and Lower Layer Properties as i. Mass per unit area 400 GSM, ii. Tensile Strength (MD) ≥ 110kN/m, iii. Tensile Strength (CD) ≥ 90kN/m iv. Tensile Elongation (MD) ≤ 25%, v. Tensile Elongation (CD) ≤ 25%, vi. Pore Size 0.35mm, vii. Abrasion Resistance ≥ 60 %, viii. UV @ 500 hours ≥ 90% ix. Resistance to Oxidation @ 100°C for 28 days) ≥ 80% The sewing thread should be of high tenacity polyester and parallel stitches are to be continued positioned at 350 mm apart with a stitch length not exceeding 5 mm.(Each roll of G-Mat should be supplied in properly packed bundle and should be marked with the Name of Manufacturer & Batch Number & its dimensions clearly on each roll with “WRD Govt. of ASSAM” to be printed on it and mentioning properly the GSM (for both upper and lower layer) and types of polymer (for both upper and lower layer) and Test Certificate from approved NABL accredited and ISO Certified Laboratory should invariably be submitted against each batch of material) (Without Custom Duty)

Carriage of Geo Mat of including loading & unloading, stacking cost of P.O.L., etc. complete and including hire charge of truck with driver and handyman, etc. completed as directed.

Carriage of Gabion box of size 2.0 m × 2.0 m × 0.45 m including loading & unloading, cost of P.O.L. etc. complete and including hire charge of truck with driver and handyman, etc. completed as directed.

Carriage of 300 gsm Geo sheet of including loading & unloading, stacking cost of P.O.L. etc. complete and including hire charge of truck with driver and handyman, etc. completed as directed.

Carriage of Geo Bags type-C of size 1.5x 1.0 m including loading & unloading, Stacking, etc. complete and including hire charge of truck with driver and handyman cost of POL etc. completed as directed.

Carriage of Geo Bags of size 1.03 × 0.70 m / 1.0 x 0.7m including loading & unloading, stacking, etc. complete and including hire charge of truck with driver and handyman cost of POL etc. completed as directed.

Labour charge for laying Geo fabric sheet as filter bellow pitching including carrying, lapping, wrapping & stitching as directed by the Engineer-in-Charge.

Filling and laying of polypropylene gabion boxes of size 2.0 m × 2.0 m × 0.45 m filled with sand/silt filled Geo bags of size 1.03 m × 0.70 m including excavation of sand/silt from flood plain or adjacent chars within a distance of 90 m of the work site, filling geo bags with sand weighing 126.00 Kg after filling ,double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle machine, stacking the same in batches of 100 or part as directed carrying the same to the dumping site including all handling charges and local carriage within a distance of 150 m and laying properly. (Geo Bag, gabion box and Polypropylene thread will be supplied by the department free of cost) Without Boat

Filling and laying of Geo bags of size 1.03 m × 0.70 m including excavation of sand/silt of size more than 80 micron from flood plain or adjacent chars within a distance of 90 m of the work site, filling geo bags with sand/silt having minimum weighing 126.00 Kg and minimum volume 0.084 Cum after filling, double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle double stitched machine, stacking the same in batches of 100, carrying the same to the dumping site including all handling charges and local carriage within a distance of 150 m and laying properly as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost) Without Boat

Filling and laying of Geo bags type-C of size 1.5m X 1.0m including excavation of sand/silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand/silt having minimum weighing 330 Kg and minimum volume 0.221 cum after filling , double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle double stitched machine, stacking the same in batches of 100, carrying the same to the dumping site including all handling charges and local carriage within a distance of 150m and laying properly as directed. (sand/silt, Geo Bag and Polypropylene thread will be supplied by the department free of cost) With Engine Boat

Filling and laying of Geo bags type-C of size 1.5m X 1.0m including excavation of sand/silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand/silt having minimum weighing 330 Kg and minimum volume 0.221 cum after filling , double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle double stitched machine, stacking the same in batches of 100, carrying the same to the dumping site including all handling charges and local carriage within a distance of 150m and laying properly as directed. (sand/silt, Geo Bag and Polypropylene thread will be supplied by the department free of cost) With Barge

Labour charge for laying, fitting and fixing of double layered Geo textile, fabricated to form a three dimensional mattresses after filling sand at design slope, filled up with sand by pump, anchoring by cutting/ at already excavated trench at the upper and lower end of slope of depth 1.00 m × 0.75 m placing the mat by bending it into the trench, filling the trench by earth filled cement bags/ sand / silt filled type - A geo bags, sides of mattresses in sloping direction stitched by Polypropylene thread with double locking chain stitch not less than 3 stitches per 2.50 cm to achieve minimum stream strength including all handling and carriage charge complete as directed. (Polypropylene thread will be supplied by the department free of cost)

Hire charge of engine boat with minimum 10 HP engine and load carrying capacity of not less than 3.00 ton along with operator and helpers excluding cost of P.O.L.

Earth work in excavation by hydraulic excavator, to proper grade and slopes as required including utilizing the spoils for filling works in the vicinity including removing roots & vegetation, dressing to design section etc. complete as directed. Ordinary Soil, For depth up to 3.00m

Earthwork in bank trimming to the designed section /slope by mechanical means including removing the trimmed soils to a minimum distance of 30 m, complete as directed.

Medium Jungles: Clearing medium jungles and trees up to 15 cm. girth including cutting, uprooting roots and stumps, removing them from the site of the work, etc. complete as directed. (When 30% to 60 % of the area is covered by shrubs, trees etc.)

Felling trees including uprooting roots and stumps up to 50 cm. below ground, cutting into pieces and removing the same from the site of work etc. complete as directed. Trees above 1.0 m and up to 2.0 m girth:

Ordinary/Unskilled Labours

Supply of Pre stressed Cement Concrete (PSC) Porcupine members of size 0.10 m × 0.10 m × 3.00 m with M - 30 grade of cement concrete conforming to IS 1343:2012 using super-plasticizer @1.2 lit/bag of cement with graded broken coarse aggregates up to 20 mm size down conforming to IS 10262:2009 & IS 456:2000 and reinforced with 4 nos. of 4 mm dia. high tensile steel wire cable/strand with necessary cover and 4 mm high tensile stirrups at 250 mm C/C, in conformity with IS-6403:R2002 and stressed to required strength not exceeding 9.18 N/mm, holes of 16 mm dia. at 50 cm inside from both ends in the same face and in either face of post another 2 nos. of holes of size 16 mm dia. at 65 mm inside from both ends including properly curing for 21 (Twenty one) days and carriage of porcupine members from factory to the stack yard within a distance up to 50 Km including loading, unloading & stacking complete as directed.

Labour charge for launching of PSC Porcupine including carriage of PSC porcupine members of size 0.10 m × 0.10 m × 3.00 m from the stack yard to the place of launching, erection of the Porcupine with 6 (Six) members properly, supply & fitting/fixing with 12 mm dia. 25 Cm long M.S. Nuts and bolts and launching the porcupine properly as directed. (Lead up to 150 m) Launching without boat

Labour charge for launching of PSC Porcupine including carriage of PSC porcupine members of size 0.10 m × 0.10 m × 3.00 m from the stack yard to the place of launching, erection of the Porcupine with 6 (Six) members properly, supply & fitting/fixing with 12 mm dia. 25 Cm long M.S. Nuts and bolts and launching the porcupine properly as directed. (Lead up to 150 m) Launching with boat

Construction of temporary shed of two roof with mud plinth of 0.45 m height above ground level with Bhaluka bamboo post 1.5 m apart, driven at atleast 0.75 m below ground and height above plinth of 2.5m. Split Jatti bamboo/tarza wall 10 cm thick touch roofing over bamboo rua frame, placing at 0.15 m clear apart, fitted with bamboo kamies from binding doors and windows with Bamboo Chattai, strengthening with Bamboo frame binding with wire, roofing with TATA Shaktee roofing sheets etc., complete as directed. (Using Bhaluka Bamboo at the rate of 6.00 nos/ Rm & Jati Bamboo at the rate of 61.00nos / Rm)

Earth work in embankment by manual means by truck carriage in ordinary/normal soil excluding sandy and rocky soil free from roots & vegetation and stacking in regular measurable stacks at suitable places including clearing debris, breaking clods up to 4 cm cube, etc. complete as directed. (12.50 % deduction will be made from measured quantities on account of shrinkage) For initial lead up to 1 Km and for all lifts For every Km extra lead beyond initial lead of 1 Km & up to 10 Km.(L=1.45km)

Spreading of earth stacks over the crest and slope of embankment and places as directed in uniform layer of 22 cm. thick including breaking clods, dressing, ramming etc. complete where necessary including dressing the embankment before complete as directed.

Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401.