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| 1 | Consultancy services for the design of soil nailing and gabion structures, including preparation of drawings and vetting of the design by IIT/NIT. |
| 2 | Mobilization and demobilization of tools/equipments and personnel required to execute the job, including lodging & boarding expenses |
| 3 | Conducting Soil investigation (bore hole) as per IS : 1892 –2021 by manually / hydraulic / calax rotary drilling of 50 - 150mm diameter with casing pipe / bentonite slurry if required, for supporting inner collapsible stratum below water table with pot holes / helical auger in all sorts of soil upto depth of 15 Mtr or up to the depth of refusal.Conducting standard penetration test (SPT) & Collecting UDSat regular interval & Submit the SBC Report. Submission of proper analytical & graphical report with detailcalculation & design of soil bearing capacity, soil bearing pressure, type of Foundation etc as per codal provision. |
| 4 | Mobilization of the personnel & equipment to and from the site |
| 5 | Supply & fix of Soil Nailing and Shotcreting work by supplying and fixing geogrid/Weld Mesh And spraying 40 to 50mm thick concrete/mortar conveyed through a hose and pneumatically projected at high velocity on to the surface including providing manpower, shotcreting equipment with diesel complete, as directed by Engineer-in-charge. Nails (16 mm) of 1.5 metre length also will be provided along with shotcreting for the proposed area with spacing of 1.5 m (horizontally & vertically) all necessary items for soil nailing etc complete all as specified and directed. |
| 6 | Material and labour scaffolding to the sides of steep area for instalation of soil nails, Gabion wall etc complete all as specified |
| 7 | Material and labour HDPE pipe of 110 mm dia of pressure rating 6 kgf/cm2 fixed to the retaining wall for the weep holes |
| 8 | Material and labour filliing of coarse sand at weep holes/HDPE pipes |
| 9 | Supplying and fixing CE Marked metal gabions indigenously manufactured as per required section including boxes made of mechanically woven hexagonal shaped wire mesh of type (10 X 12) cm, edges mechanically selvedged made of heavily(Zinc + PVC) Coated G.I. Wires as per BS:443/IS 16014:2012, mesh wire 2.70/3.70mm φ(ID/OD), edge wire 3.40/4.40 mm φ(ID/OD) and filled with 20 to 50 Kg weight trap stones including conveying with all leads and lifts and placing at required places in required line, level, slope, section as directed, etc and tied by 5% lacing wire 2.20/3.20 mm φ (ID/OD) as directed by Engineer-in-charge. For retaining walls,toewalls, etc.for slope protection & erosion control application of river bank shore etc.complete (Specification: Morth Section 2500) with prior approval of concerned engineer.Gabions boxes are mechanically woven hexagonal shaped wire mesh of type, 10 cm X 12 cm edges mechanically selved (Zinc +PVD) coated G.I wires as per BS: 443/IS 16014:2012, mesh wire dia, 3.00 mm, edge wire 3.70 mm Size. Gabion box sizes 1.00 Mx 1.00 M x 1.00 M Filling the mesh cage by Rubble/Stone (500Cu.m) transported from a distance above 75 km from the site, with careful hand packing in layers of approximately size including breaking of stone to required size and ensure good facing, including providing bracing wires, temporary formwork, closing of lids,aligning to correct lines & levels as per the site drawings, specifications. |
| 10 | Surface excavation n.exc 30cm and averaging 15cm and getting out in soft /disintegrated rock |
| 11 | Material and labour for 20cm thick Soling (or sub base) with broken boulders or quarried stone, inter slices filled, surface formed and rolled and consolidated to required gradient and camber |
| 12 | Material and labour for 15cm thick (compacted thickness) WBM, with coarse aggregates of grading 2 (63 to 40mm size) or of grading 3 (50 to 20mm size), spread, rolled and consolidated to gradient and camber required complete all as specified. |
| 13 | Material and labour for applying evenly a tack coat/priming coat with bituminous primer at 10 Kg per 10 Sqm using paving bitumen (VG -10) with mechanical sprayer over WBM surface complete all as specified and directed. |
| 14 | Material and labour premix bituminous macadam up to 50mm thick (consolidated thickness) laid/rolled and compacted rolled & consolidated with 8 to 12 tonnes power roller to required gradient and camber using binder content of paving bitumen (VG-30) @ 4% by weight of total mix complete all as specified and directed. |
| 15 | Material and labour for preparing un-surfaced black top surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc complete all as specified and directed. |
| 16 | Material and labour for applying evenly a tack coat/priming coat with bituminous primer at 10 Kg per 10 Sqm using paving bitumen (VG -10) with mechanical sprayer over WBM surface complete all as specified and directed. |
| 17 | Material and labour Bituminous premix semi-dense asphaltic concrete (SDAC) 40mm consolidated thickness with 5.5% paving bitumen ( VG-30) as binder content by weight of total mix using hot mix plant and mechanical paver as approved by the GE, rolled and compacted using 8 to 10 Ton vibrator power roller to required camber and gradient complete all as specified and directed. Note : (i) Job mix formula for the semi dense asphaltic concrete shall be obtained from the institutes specified in the particular specifications. (ii) In case, as per actual design mix, the binder content by weight of total mix is less than 5.5%, price adjustment shall be made as per average rate of all the purchase vouchers for bitumen pertaining to the work under this contract. If total binder content as per design mix is more than 5.5%, no price adjustment shall be made for the same. |
| 18 | Material and labour for Moorum/red bajri spread rolled and consolidated to gradient and camber required spread thickness 100mm for berms complete all as specified and directed. |
| 19 | Material and labour for Moorum/red bajri filling in floors or pavings, laid in layers n exc. 15 cm thick, spread, levelled and rammed including watering complete all as specified and directed. |
| 20 | Removal of excavated material n exc 50 mtr and deposited where directed at a level n exc 1.5 m above the starting point all as specified |
| 21 | Material and labour for preparing bituminous surfaces of road and marking 2.5 mm thick centre lines, stop lines, dashes, arrows etc. and the like n. exc. 10 cm wide on roads pavements with hot applied thermo plastic road marking paint of approved colour confirming to BS 3262-1989 with special applicator machine all as per manufacturers instruction complete all as specified and directed. Please Enable Macros to View BoQ information |
