RSIC used M suffixs (ex, 20M) to avoid confusion,
Civil / GIS
which we will use. Recent CRSI material uses this.
Many Geographic Information Systems and AM/FM
Metric rebar is made by a few producers, and others
systems for mapping, gas, electric, and water distribution
indicated they will produce it. To assist US firms, limit
mgmt, wastewater systems, and other infrastructure
number of metric bars to the fewest possible per job.
elements, will operate in SI.
Several DOTs (MO TX VA) and other engineers, were
Delta Data MS, offers AGIS, Adv Geographic Informatn
concerned over lack of a metric bar for the No 4.
System, which runs in SI. 601 799 1813
Canadians had significant discussion on whether 12M
ESRI CA, produces ARC/INFO, a market leader in the
should have been added. Through the years, it was
GIS market as well as the utility market, which will work
decided to stay with the existing series.
completely in metric. 909 793 2853 x 1375
Survey From an 8/93 survey of state rebar conversion
Facility Mapping Systems CA, produces several
and metric activity, 19 DOTs had incorporated metric
software packages that operate in metric:
bar into criteria (ex, standard drawings and specs) or
FMS / AC Municipal (DPW and Planning)
would do so within 6 months. (AK AL CA DE FL IA IL
FMS / AC Public Works (infrastructure mgmt)
KS KY LA MD MS NC OK PA TX VA VT WA)
FMS / AC Utility (electric, gas, water systems)
Gregg Smith 800 442 3674 415 381 1750
Three states were not sure if it would be incorporated
into criteria within 6 months. 14 states said it would not
Intergraph AL, produces GIS software that can run in
be incorporated within the next 6 months. 14 states did
metric. John Hacker 205 730 1705
not respond.
Scott and Scott Systems WA, a prominent electrical
Subsequent discussions have verified that many of the 6
utility GIS software producer, offers DMS/G, which can
month projections have been realized.
operate in a metric environment.
Susan Varga 800 325 1494 206 441 1804
Our sources also indicate the Global Positioning Satellite
Size
Diam
Area Size
Diam
Area
(GPS) system is already in metric.
(mm)
(mm2)
(mm)
(mm2)
Civil / Infrastructure
3
9.52
71
10M
11.3
100
4
12.70
129
15M
16.0
200
We have had contact with many firms able to build
5
15.87
200
20M
19.5
300
infrastructure projects in metric. (ex, waste water and
6
19.05
284
25M
25.2
500
water treatment plants) We are placing this material in
7
22.22
387
30M
29.9
700
the next M1 version.
8
25.40
510
35M
35.7
1000
9
28.65
645
45M
43.7
1500
Civil / Reinforcement
10
32.25
819
55M
56.4
2500
11
35.81
1006
14
43.00
1452
Availability of metric rebar will be variable over the next
18
57.32
2581
1-2 years. Minimum orders vary significantly.
Welded Wire Fabric WRI is currently developing a
All projects shall now specify hard metric rebar.
series of hard metric wire diameters. Many firms make
their own dies and can make any size diameter. Some
Projects let to construction during low supply periods
firms, mostly those with newer variable step spacing
shall, as a concession to our friends in industry, utilize
equipment such as EVG, Schlotter, or BSG, are able to
the rebar substitution developed by the Reinforcing Steel
produce metric spacing (ex, 150 x 150), but minimum
Inst of Canada (RSIC), until the formal CRSI system is
orders are significant, ranging from about
issued, which we will immediately adopt.
15 Mg to much higher minimum orders. Look to WRI
for shortly forthcoming metrication guidance.
Claim of lack of availability should be backed up by a
comprehensive industry product search.
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