CONSTRUCTION OF RCC RETAINING WALL AND DRAINAGE AT LEIMAKHONG

Amount

NOTE (Applicable for all items):- The bidders/contractors are advised to read tender document & all corrigendum/ amendments and General conditions of contracts before entrying/quoting the rates. SCHEDULE 'A' BOQ

Preparation & submission of soil investigation report in sixupulate by conducting soil investigation after making bore holes 150 mm dia in any type of soil up to max 15m depth or upto the depth of refusal, collecting, disturbed and undisturbed samples, conducting standard penetration test (SPT) at 1 mtr, 1.5 mtr, 2 mtr interval thereafter or on change of strata and laboratory test like Direct/Triaxial shear test, Grain distribution curves & pattern in bore holes, Type of soil, C value, Bulk density, Natural moisture content, Dry density, Water table, Specific gravity, Atterberg limit, Hydrometer analysis, Liquid & Plastic limit, Swelling Index, Evaluation of liquifaction potential IS-1893 Part I -2016. Note : (i) Each bore hole will be measured upto depth of refusal or 15.00 m whichever is earlier. (ii) Rate includes mobilsation of T&P as per requirement and direction of the Engr-in-Charge.

Conducting Plate Load Test up to 30.00 MT/Sqm to evaluate safe bearing capacity of soil and modulus of sub grade reaction as per IS specification incl completion of field work and lab test result and submission of report in Sixupulate.

Compilation of Field and Laboratory test results, Preparation of reports, Recommendation for depth of embedment, water table, submission of all report booklets 06 (Six) copies with CD 01 (One) copy including photographs & videography duly indicating the following :- (i) Evaluation of safe bearing capacity of the soil with respect to shear failure test and permissible settlement (Total and Differential) alongwith recommendation about type of foundation and minimum depth of foundation to be adopted for subject work. (ii) Specific suggestions if any for Soil Treatment if required below foundation /ground floor / roads and type of treatment to be carried out. (iii) Bore log diagram duly showing the different layers of strata met alongwith their depths.

Vetting of geotechnical investigation report from any NIT(National Institute of Technology)/IITs(Indian Institute of Technology) and submitted in Six numbers/sets and soft copy before construction of wall to GE 869 EWS for approval of accepting officer.

Designing of arcitectural and structural drawings of Gabion wall & RCC retaining wall from architect and structural reputed agency and all relevant arch and structural drawings for the subject works in proper scale showing each and every details /measurements/ dimensions etc and submit the same in six numbers/sets. Scheme and structural drawings should be vetted from any NIT(National Institute of Technology)/ IITs(Indian Institute of Technology) and submitted in six numbers/sets in hard as well as soft copy before start the work to Accepting Officer for approval .However, similar nature of drawings are uploaded for only reference.

Rough excavation not exceeding 1.5 m deep and getting out in soft loose soil complete all as specified and directed.

Excavation over area not exceeding 1.5 m deep and getting out in soft/loose soil complete all as specified and as directed.

Excavation over area exceeding 1.5 m but not exceeding 3m deep and getting out in any type of soil complete all as specified and as directed.

Surface excavation not exceeding 30 cm deep and averaging 30 cm deep and getting out in soft/loose soil complete all as specified and as directed.

Excavation in trenches not exceeding 1.50 m wide and not exceeding 1.50 m in depth for foundations or for shafts, wells, cesspits, manholes, pier holes etc. not exceeding 10 Sqm on plan and not exceeding 1.50 m in depth and getting out in soft/loose soil complete all as specified and as directed.

Removing excavated material to distance exc. 500m but not exceeding 1.50 km and depositing where directed complete all as specified and as directed.

Returning, filling in side of drains, backfilling of retaining structures upto height of retaining structure of any lead or at any height from starting point including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft/loose/hard type of soil.

Use and waste of timbering as planking and strutting for excavations over areas/rough excavation in soil exceeding 1.5m but not exceeding 3m (as for basements, etc.) and including use and waste of raking shores, etc. as may be necessary and fixing and removal complete all as specified and as directed.

Use and waste of timbering as planking and strutting for excavations over areas/rough excavation in soil exceeding 3m but not exceeding 5m (as for basements, etc.) and including use and waste of raking shores, etc. as may be necessary and fixing and removal complete all as specified and as directed.

Use and waste of timbering as planking and strutting for excavations over areas/rough excavation in soil exceeding 5m but not exceeding 7m (as for basements, etc.) and including use and waste of raking shores, etc. as may be necessary and fixing and removal complete all as specified and as directed.

Dismantling of Brickwork or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles carefully with providing safety precautionary measures earlier to starting demolition to prevent any damage to existing structure complete all as specified and directed.

Demolition of unreinforced cement concrete of any description and in any position not otherwise specifically provided for complete all as specified and directed. Note: Quoted rate shall be inclusive of removing demolished structure materials etc. to a distance of 2.5 Km or under, including loading, unloading and stacking at the destination complete all as directed

Material and Labour for 100 mm thick plain cement concrete 1:4:8 type D2 using 40 mm graded stone aggregate as in sub-base, hardstanding, etc. complete all as specified and as directed.

Material and Labour for 80 mm thickness Machine pressed precast concrete interlocking paver block M-40 Grade fixed with grey cement and pigment of any shape and size confirming to IS 15658-2006 complete all as specified and as directed.

Material and Labour for 100 mm thick PCC 1:2:4 type B2 (using 40 mm graded stone aggregate) as in flooring complete all as specified and as directed.

Supply and Laying hard core gauge not exceeding 63mm in size of broken stone or boulders, deposited spread and levelled in layers not exceeding 15cm thickness watered and rammed to a true surfaces complete all as specified & as directed.

Supply and filling sand under floors/hard standing or in foundations, spreading and levelling complete all as specified & as directed.

Supplying and laying non woven geotextile filter media behind gabion wall as per MORTH 700 TYPE III geoltextile made of poly propylene or similar fiber manufactured through machine made process of heat bending or needle punching technique and tensile strength 7 KN/M, weight not less than 150 gm/sqm as per manufaturar specification complete all as specified and directed. Makes : M/s Maccaferi Environmental solution Pvt Ltd./M/s Gabion Technologies India Pvt Ltd/M/s Techfab India Industries Ltd./M/s SVN Non Wovens Pvt Ltd./M/s Manas Geotech India Pvt Ltd

Supply and installation of Mechanically woven double twisted hexagonal shaped wire mesh gabion boxes as per IS 16014-2018, Morth clause 2500 of required sizes, Mesh type 10cm x 12cm (D=100mm with tolerence of +/- 2%),(Zn +10% Aluminium alloy) plus Polymer coated, Mesh type wire dia 2.7/3.7mm (ID/OD), Mechanically/edged/selvedged, with partition at every 1m interval and shall have minimum 10 Numbers of mesh openings per meter of mesh perpendicular to the twist, tying with lacing wire of dia 2.2/3.2 mm (ID/OD) supplied @ 5% by weight of gabion boxes will be supplied incl of accessories such as U clamps, thimbles etc laid in position after filling of boulders of size 150 mm to 250 mm all as per detailed specification conforming to codes in vogue all complete as per direction and as approved drawings. Make of Gabion Boxes :- M/s Maccaferi Environmental solution Pvt Ltd / M/s Gabion Technologies India Pvt Ltd./ M/s Techfab India Industries Ltd. / M/s Gurukrupa Wire netting Industries/ M/S A-1 Fence Products Company Pvt Ltd / M/s Shiva Engineering Co. (Brand: CONSEC) Note:- (i) Cost of boulders/Rock is deemed to be inclusive in the rate quoted. (ii) Filling of rocks/boulders shall be as specified & directed by the GE. (iii) Front face shall be neatly packed with good facia rocks for the facing of gabion wall / matress. (iv) The makes mentioned above are subject to compliance of the eligibility of manufacturer given in particular specification.

Supply and laying of synthetic reinforced geocomposite made of Polypropylene polymer made of three diamensional matrix of minimum mass per unit area more than 450gram/Sqm extruded on to a mechanically woven double twisted hexagonal shaped wire mesh of mesh wire dia 2.7mm and mesh type 8cm x 10cm having (Zn +5%) Aluminium alloy plus Polymer coating as per EN 10224-2, the composite shall have a combine mass per unit area more than 2100 gram/Sqm and having nominal thickness more than 12mm including U pins of 8mm dia of depth 1000mm at 1m c/c spacing with all leads and lifts including manpower and machinery and anchoring with self drilling anchor at a distance of 3m c/c interval with all leads and drilling upto hard strata or not less than 4m depth depending upon ground situation, including surface dressing complete all as per detailed specification conforming to codes in vogue and all complete as per direction and as approved drawings. Make :- M/s Maccaferi Environmental solution Pvt Ltd / M/s Gabion Technologies India Pvt Ltd./ M/s Techfab India Industries Ltd. Note:- (i) The eligibility of manufacturer mentioned above are subject to compliance of required material specification. (ii) Rate of U pin bars deemed to be included in quoted rate. (iii) Self drilling anchor shall be measured and paid separately.

Supply and installation of self drilling Anchors (32mm dia, yield strength-500 N/Sqmm) including grouting for full length of the drilled hole, all anchor bars, nuts base plate, sacrificial drill bits and implementing pull test complete all as specified and directed.

Material and Labour for Plain Cement Concrete 1:3:6 type C2 using 40 mm graded stone aggregate as in foundation filling and mass concrete complete all as specified and directed

Material and Labour for Reinforced Cement Concrete M-30 (Design mix) using 20 mm graded stone aggregate as in foundations, including rafts, footings, foundation beams; plinth beams; bases for columns and mass concrete complete all as specified and directed

Material and Labour for Reinforced Cement Concrete M-30 (Design mix) using 20 mm graded stone aggregate as in Walls, retaining walls, basement walls, ballast walls and the like; any thickness; above top of footings; including attached pilasters and buttresses complete all as specified and directed.

Use and Waste of formwork to sides of concrete foundations, foundation beams, footing, bases of column, raft and raft beams, sides and soffits of foundation, plinth beams and similar work flat rough finished surfaces of concrete complete all as specified and directed.

Use and Waste of formwork to sides of concrete Walls, retaining walls, basement walls, ballast walls and the like including attached pilasters and buttresses and similar work flat rough finished surfaces of concrete complete all as specified and directed.

Supply and fix High strength steel deformed TMT bars (Fe 500D) 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed.

Material and labour for loose filling with broken stone or boulders aggregates of gauge 40 to 60 mm as filter media inner side of RCC wall complete all as specified and directed.

Material and labour for loose filling with broken stone or boulders aggregates of gauge 10 to 20 mm as filter media inner side of RCC wall complete all as specified and directed.

Supply and fix of PVC (SWR) pipes 110mm bore single socketed, in any length with rubber ring joint, laid in trenches or in floors complete all as specified and directed.

Material and labour for applying two coats of cement base paint after preparation of surfaces complete all as specified and directed.

Material and labour for Plain Cement Concrete 1:2:4 (Type B-2) using 40 mm gaded stone aggregate as in surface channels & drain complete all as specified.

Material & Labour for brick work with sub class 'B' bricks, old size, straight or curved on plan exceeding 6m mean radius built in cement mortar 1:6 complete all as specified and directed

Material & Labour for Plain Cement Concrete 1:2:4 (Type-B0) using 12.50 mm graded stone aggregate in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating including formwork complete all as specified and directed.

Material & Labour for rendering 15 mm thick in Cement Mortar 1:4 on fair faces of brick work or concrete surfaces finished even and smooth without using extra cement complete all as specified.

Extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends etc.

APPLE CONSTRUCTION