providing and placing fixing of litigant chairs and witness chairs in court room district court complex karkardooma court delhi. providing and placing fixing of litigant chairs and witness chairs in court room district court complex karkardooma court delhi. , supplying and placing in position of visitors chair as per photograph and as per sample approved by engineer-in-charge. the visitors chair shall be supplied as per following specifications mentioned below: - 1.       material of fabric back cover: -polyster. 2.       frame material: - crca erw round pipe. 3.       material of fabric of seat cover: - fabric. 4.       thickness of plywood used in seat: -12 mm ±1 ( mm ) . 5.       gsm / thickness of fabric: -250 ±5 ( gram per sq meter ) . 6.       density of polyurethane foam used in seat and backrest: - 45 ( + / -2 kg / cum ) . 7.       arm material: - polyurethane on metal. 8.       thickness of polyurethane foam used in backrest in mm: -50mm ( + / - 3 mm ) 9.       shoe type- plastic. 10.    thickness of polyurethane foam used in seat in mm :-50 mm ( + / - 3 mm ) . 11.    chair type :- with arms. 12.    type of seat and backrest:- padded with polyurethane foam. 13.    frame type cantilever. , 14.    castors :- without. 15.    size of material ( mm ) :- 14 swg 25 mm round pipe. 16.    chair height :-850mm±15 ( mm ) . 17.    seat depth:- 430mm±10 ( mm ) . 18.    seat width :- 400mm-500mm ±10 ( mm ) . 19.    seat height in mm :-480mm ±5 ( mm ) 20.    backrest width: 480 mm ±10 ( mm ) 21.    backrest height:- 400 mm ±10 ( mm ) . 22.    arm length: 300 mm ±5 ( mm ) . 23.    arm width:- 40 mm to 50mm ±2 ( mm ) . 24.    colour of febric for seat and backrest- black. 25.    paint type :- powder coated on ms. 26.    test reports to be furnished to buyer on demand:- yes. 27.    bifma certification:- yes. 28.    oem of offered product is iso 9001:2015 certified: - yes. 29.    oem of offered product is iso 14001:2015 certified:- yes. 30.    oem of offered product is iso 18001:2007 certified :- yes. 31.    material of fabric back cover:- polyster. 32.    warranty period-3 years. 33.    all complete as per direction of engineer-in-charge , providing & placing low back revolving chair as per photograph and as per sample approved by engineer-in-charge. the revolving chair shall be supplied as per following: 1.       pedestal base:-glass fibre nylon with abs / nylon twin caster wheels minimum 5 nos, of 50 mm size. 2.       arm mtaterial :- steel covered with polyurethane. 3.       seat material :- pu foam covered with fabric. 4.       density of pu foam used in seat:- 45 ±3kg. / cum. 5.       density of pu foam used in backrest:- 35 ±3kg. / cum. 6.       material of fabrick of back cover and backrest:- 100% polyester fabric. 7.       gsm / thickness of fabric:- 220 ±5%gm. / sqm. 8.       chair type:- central tilt. 9.       tilt tension adjustment:- yes. 10.    height adjustment :- upto 120mm ±5mm. 11.    arm:- with. 12.    type of backrest support :- backrest symmetrical lumber support. 13.    arm type :- fixed . 14.    ergonomic seat design :-yes. 15.    back type :- fixed , 16.    backrest is made of two pcs. injection moulded frame. 17.    backrest has separate adjustable headrest :-no 18.    seat type:- fixed 19.    seat is curved:- yes. 20.    locking mechanism:- yes 21.    type of locking :- tilt limitor. 22.    lumber support :- integrated. 23.    overall chair height:- 920mm ±15mm , 24.    backrest height:- 460 mm ±15mm 25.    backrest width: 410mm±10mm 26.    seat height:- 420mm ±15 mm 27.    seat width:- 480mm ±10 mm 28.    seat depth460mm ±10 mm 29.    thickness of ms plate joining the under structure with seat :-0.2 mm. 30.    thickness of plywood used in seat :- 12mm ±1 ( mm ) . 31.    thickness of plywood used in backrest:-12 mm ± 1 ( mm ) 32.    padestal size :-680 ( diameter in mm ) + / - 10 mm 33.    thickness of polyurethane foam used in seat :-45 mm ( + / - 2 mm ) 34.    thickness of polyurethane foam used in backrest in mm:35 mm ( + / - 2 mm ) 35.    test reports to be furnished to buyer on demand :- yes 36.    bifma certification :- yes 37.    oem of offered product is iso 9001:2015 certified :- yes. 38.    oem of offered product is iso 14001:2015 certified: - yes. 39.    oem of offered product is iso 18001:2007 certified: - yes 40.    green guard certification: - yes. 41.    aiota:- yes. 42.    warranty period-3 years. , all complete as per direction of engineer-in-charge.