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MEP-Technical Manual CDN 0408.qxd - Hambro

MEP-Technical Manual CDN 0408.qxd - Hambro

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IMPERIAL<br />

7.3 MD2000 ® SERIES<br />

JOIST DEPTH SELECTION TABLES<br />

Concrete: f’ c = 3 000 psi; density = 145 lb./ft. 3<br />

Joist spacing = 4’-0”<br />

Slab thickness = 4 1/4”<br />

Residential Office Other Loading<br />

Building Building (LL=100 psf)<br />

Dead Load (psf) 70 70 70<br />

Live Load (psf) 40 50 100<br />

Total Load (psf) 110 120 170<br />

SPAN c/c<br />

12’-0”<br />

14’-0”<br />

16’-0”<br />

18’-0”<br />

20’-0”<br />

22’-0”<br />

24’-0”<br />

26’-0”<br />

28’-0”<br />

30’-0”<br />

32’-0”<br />

34’-0”<br />

36’-0”<br />

38’-0”<br />

40’-0” *<br />

43’-0” *<br />

MDH8 MDH8 MDH12<br />

min = MDH8 min = MDH8 min = MDH8<br />

MDH8 MDH12 MDH12<br />

min = MDH8 min = MDH8 min = MDH8<br />

MDH10 MDH12 MDH14<br />

min = MDH8 min = MDH8 min = MDH8<br />

MDH12 MDH14 MDH14<br />

min = MDH8 min = MDH8 min = MDH8<br />

MDH14 MDH14 MDH14<br />

min = MDH8 min = MDH8 min = MDH8<br />

MDH14 MDH16 MDH16<br />

min = MDH10 min = MDH10 min = MDH10<br />

MDH16 MDH16 MDH16<br />

min = MDH10 min = MDH10 min = MDH10<br />

MDH16 MDH16 MDH18<br />

min = MDH12 min = MDH12 min = MDH12<br />

MDH16 MDH16 MDH20<br />

min = MDH12 min = MDH12 min = MDH12<br />

MDH18 MDH18 MDH20<br />

min = MDH12 min = MDH12 min = MDH12<br />

MDH18 MDH18 MDH20<br />

min = MDH14 min = MDH14 min = MDH14<br />

MDH20 MDH20 MDH20<br />

min = MDH14 min = MDH14 min = MDH14<br />

MDH20 MDH22 MDH22<br />

min = MDH16 min = MDH16 min = MDH16<br />

MDH22 MDH22 MDH22<br />

min = MDH16 min = MDH16 min = MDH16<br />

MDH22 MDH22 MDH22<br />

min = MDH16 min = MDH16 min = MDH16<br />

MDH22 MDH22 MDH24<br />

min = MDH18 min = MDH18 min = MDH18<br />

* Permanent line of cross bridging shall be installed at mid-span.<br />

MDHXXX<br />

: Optimal MD2000 Series Joist Depth (in.)<br />

min = MDHXXX : Minimum Depth (in.) Allowed<br />

Slab thickness = 4 1/2”<br />

Residential Office Other Loading<br />

Building Building (LL=100 psf)<br />

Dead Load (psf) 73 73 73<br />

Live Load (psf) 40 50 100<br />

Total Load (psf) 113 123 173<br />

SPAN c/c<br />

12’-0”<br />

14’-0”<br />

16’-0”<br />

18’-0”<br />

20’-0”<br />

22’-0”<br />

24’-0”<br />

26’-0”<br />

28’-0”<br />

30’-0”<br />

32’-0”<br />

34’-0”<br />

36’-0”<br />

38’-0”<br />

40’-0” *<br />

43’-0” *<br />

MDH8 MDH8 MDH12<br />

min = MDH8 min = MDH8 min = MDH8<br />

MDH8 MDH12 MDH12<br />

min = MDH8 min = MDH8 min = MDH8<br />

MDH10 MDH12 MDH14<br />

min = MDH8 min = MDH8 min = MDH8<br />

MDH12 MDH14 MDH16<br />

min = MDH8 min = MDH8 min = MDH8<br />

MDH14 MDH14 MDH14<br />

min = MDH8 min = MDH8 min = MDH8<br />

MDH14 MDH16 MDH16<br />

min = MDH10 min = MDH10 min = MDH10<br />

MDH16 MDH16 MDH16<br />

min = MDH10 min = MDH10 min = MDH10<br />

MDH16 MDH16 MDH18<br />

min = MDH12 min = MDH12 min = MDH12<br />

MDH16 MDH16 MDH20<br />

min = MDH12 min = MDH12 min = MDH12<br />

MDH18 MDH18 MDH20<br />

min = MDH12 min = MDH12 min = MDH12<br />

MDH18 MDH20 MDH20<br />

min = MDH14 min = MDH14 min = MDH14<br />

MDH20 MDH20 MDH20<br />

min = MDH14 min = MDH14 min = MDH14<br />

MDH20 MDH22 MDH22<br />

min = MDH16 min = MDH16 min = MDH16<br />

MDH22 MDH22 MDH22<br />

min = MDH16 min = MDH16 min = MDH16<br />

MDH22 MDH22 MDH22<br />

min = MDH16 min = MDH16 min = MDH16<br />

MDH22 MDH24 MDH24<br />

min = MDH18 min = MDH18 min = MDH18<br />

15

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