MEP-Technical Manual CDN 0408.qxd - Hambro

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3.2 FABRICATION (a) Fabrication shall be in accordance with the Hambro Shop Standard Practice. (b) The joist top chord shall be fabricated to allow for 40 mm (1 1 /2”) embedment into the concrete slab. (c) Provide Hambro joist bottom chord ceiling extensions unless otherwise noted. (d) After installation, permissible Hambro joist sweep shall be 25 mm (1”) in 6 m (20’-0”). (e) Hambro joists shall be fabricated with an appropriate camber to suit span and slab thickness. The camber shall be designed according to the non-composite dead load. 3.3 QUALITY CONTROL Joist shall be manufactured in a fabricator’s facility having a continuous quality control program. The inspection shall include checking of size, span, assembly and weld. PART 4 - EXECUTION 4.1 ERECTION (a) Installation shall be in accordance with the latest Installation Manual for the Hambro Composite Floor System, approved erection drawings and any amendments which may be issued by the manufacturer. (b) All joists shall be erected in such a manner so that they are vertical, level and plumb and at the proper elevation. Any shimming that may be required shall be done with metal. (c) Special conditions requiring top and/or bottom bracing shall be shown on erection drawings prepared by supplier. (d) Welded Wire Fabric - Lapping shall be in accordance with the provisions of CAN/CSA A23.3-04 and Hambro construction drawings. (e) End anchorage - Joist shoes shall be properly welded, anchored or embedded as per engineer’s or architect’s drawings. (f) Concreting Practice 2 1- Do not pour concrete in excess of the slab thickness stated on the erection drawings. 2- Do not drop large bucket loads in concentrated areas over Hambro joists. Lightly vibrate concrete. SPECIFICATIONS 3- Construction joints made parallel to the joists should be made midway between the joists but never closer than 150 mm (6”) to the top chord. Construction joints made perpendicular to the joists should be located over the supporting wall or beam. 4- It is recommended that the following publications be followed: (a) CAN/CSA A23.3-04 “Design of Concrete Structures for Buildings”. (b) CAN/CSA A23.2-04 “Methods of Test for Concrete”. (c) CAN/CSA A23.1-04 “Concrete Materials and Methods of Concrete Construction”. (g) Stripping - Under normal conditions form work may be stripped at such time as the concrete has reached a cylinder strength of 3.5 MPa (500 psi). (h) Construction Loads 1- Bundles of plywood or roll bars should not be placed on joist system but rather on supporting walls or beams. 2- During construction, the minimum non-composite joist capacity for a 70 mm (2 3 /4”) slab and joist spacing of 1 251 mm (4’-1 1 /4”) on center, shall be 3.5 kN/m (240 plf). Joists spaced at greater than 1 251 mm (4’-1 1 /4”) on center shall have their noncomposite capacity adequately increased to carry the additional load. Construction loads may be applied when the concrete has reached a cylinder strength of 7 MPa (1000 psi). (i) Minimum joist bearing shall be as follows: 1- Steel support: 65 mm (2 1 /2”) for 75 mm (3”) shoe 90 mm (3 1 /2”) for 100 mm (4”) shoe. 2- Masonry, concrete, wood and metal stud support: 90 mm (3 1 /2”). Bearing surface of supporting units to comply with applied shoe end reaction, based on minimum supplied bearing area of 107 cm 2 (16.6 in. 2 ).
BUSINESS UNITS AND THEIR WEB ADDRESSES www.canam.ws www.canam.ws www.canamgroup.ws www.structalstructure.ws www.structalbridges.ws www.technyx.ws www.hambro.ws www.murox.ws PUBLICATIONS TECHNICAL QUESTIONS » FLOOR SYSTEM D500 TM » » » » FLOOR SYSTEM D510 TM FLOOR SYSTEM MD2000 ® TECHNICAL MANUAL INSTALLATION MANUAL www.hambro.ws www.canaminternational.ws 1
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Composite Floor System
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1. GENERAL INFORMATION DESCRIPTION
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APPROVALS AND FIRE RATINGS APPROVAL
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3. ACOUSTICAL PROPERTIES SOUND TRAN
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DESIGN PRINCIPLES AND CALCULATIONS
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5.2 MD2000 ® SERIES 5.2.1 DESCRIPT
Page 33 and 34: JOIST DEPTH SELECTION TABLES 6. JOI
Page 35 and 36: METRIC JOIST DEPTH SELECTION TABLES
Page 37 and 38: METRIC 6.3 MD2000 ® SERIES JOIST D
Page 43 and 44: JOIST DEPTH SELECTION TABLES 7. JOI
Page 45 and 46: IMPERIAL JOIST DEPTH SELECTION TABL
Page 47 and 48: IMPERIAL 7.3 MD2000 ® SERIES JOIST
Page 53 and 54: 8. TYPICAL DETAILS 8.1 D500 TM (H S
Page 55 and 56: SECTION 7 - JOIST BEARING ON CONCRE
Page 57 and 58: SECTION 15 - JOISTS BEARING ON A WO
Page 59 and 60: SECTION 23 - JOIST PARALLEL TO CONC
Page 61 and 62: SECTION 31 - FLANGE HANGER FOR BEAM
Page 63 and 64: SECTION 36 - MAXIMUM DUCT OPENING (
Page 65 and 66: 8.2 MD2000 ® SERIES TYPICAL DETAIL
Page 67 and 68: SECTION 7 - JOISTS BEARING ON CONCR
Page 69 and 70: SECTION 15 - EXPANSION JOINT AT ROO
Page 71 and 72: SECTION 23 - JOIST PARALLEL TO A ST
Page 73 and 74: SECTION 28 - CANTILEVERED BALCONY (
Page 75 and 76: 8.3 DTC (LH SERIES) TYPICAL DETAILS
Page 77 and 78: SECTION 7 - THICKER SLAB SECTION 5
Page 79: SECTION 11 - JOIST PARALLEL TO A CO
Page 84: 2 Canada - Main Office 270, chemin
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MEP-Technical Manual CDN 0408.qxd - Hambro

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