City of Hollister, MO
Taney County
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Table of Contents
Table of Contents

Section 702.010 Purpose.

[Ord. No. 08-04, 2-21-2008]
The purpose of this Chapter is to establish a standard for design professionals and utility companies to follow for the installation of underground utilities within the City limits of Hollister.

Section 702.020 Definitions.

[Ord. No. 08-04, 2-21-2008]
As used in this Chapter, the following terms shall have these prescribed meanings:
CONDUIT
A tube or duct to enclose wires or cables.
LINES
Either direct burial type of mains or conduit.
MAINS
Principal pipes or conduits in a system for conveying a utility to customer point of service.
PIPE
Cylinder duct or tube for conveying fluids or a gas.
UTILITY
Cable, communications, electric, gas, sewer, water.

Section 702.030 Marking of Utility Pipe, Conduit and Lines.

[Ord. No. 08-04, 2-21-2008]
Detectable Warning Tape. Acid and alkali-resistant polyethylene film warning tape manufactured for marking and identifying underground utilities shall be used in all installations of underground utilities in the City of Hollister. This warning tape shall be a minimum six (6) inches wide and four (4) mils thick, continuously inscribed with a description of the utility, with metallic core encased in a protective jacket for corrosion protection, detectable by metal detector when tape is buried up to thirty (30) inches deep. The warning tape is to be placed at least six (6) inches above the utility pipe/conduit being marked but no less than twelve (12) inches below surface grade. An insulated copper tracer wire no smaller than eighteen (18) AWG may also be required by the utility company, Public Service Commission rules or other codes when non-metallic pipe is used.[1] The insulation on the tracer wires must follow the color code as for tape. The tape shall be colored as follows to comply with State regulations:
Red:
Electric.
Yellow:
Gas, oil, steam.
Orange:
Communication, CATV.
Blue:
Water.
Green:
Sewer.
Purple:
Reclaimed water
[1]
Editor's Note: Plastic gas pipe shall not be used under any building or slab or be operated at pressures greater than one hundred (100) psig (thirty (30) psig for LP gas).

Section 702.040 Protecting Utility Pipe, Conduit and Lines.

[Ord. No. 08-04, 2-21-2008]
Water mains, sewer mains and gas mains shall be installed in trenches of adequate depth to protect them from freezing and physical damage. Protection from physical damage is achieved through proper installation. All pipes shall be placed on bedding material of granular aggregate no larger than three-quarter (¾) inch diameter stone. The depth of the bedding material in any trench shall be at least six (6) inches deep but no less than one-fourth (¼) the diameter of the pipe. Rock removal: where rock is encountered in trenching, the rock shall be removed to a minimum depth of six (6) inches below the installation level of the bottom of the pipe, and the trench backfilled with bedding material to the installation level of the bottom of the pipe. Cover material over the pipe shall be the same three-quarter (¾) inch maximum diameter aggregate and there shall be at least twelve (12) inches of cover over the top of the pipe. Backfill placed on top of the cover shall have no stone/rock larger than twelve (12) inch diameter.

Section 702.050 Separation of Utility Pipe, Conduit and Lines.

[Ord. No. 08-04, 2-21-2008]
A. 
Minimum separation distances shall be maintained between water mains, sewer mains, gas mains and electrical conduits as follows:
1. 
Water separated from sewer:
Ten (10) feet horizontally separated by undisturbed soil.
Eighteen (18) inches vertically preferably water over sewer or else
Encasement as approved by MDNR and City.
2. 
Water separated from electric mains:
Five (5) feet of separation horizontally and vertically or
Twelve (12) inches with a three (3) inch slab/wall of concrete.
3. 
Sewer separated from electric mains:
Three (3) feet of separation horizontally and vertically or
Twelve (12) inches with a three (3) inch slab/wall of concrete.
4. 
Gas main separated from electric mains:
Five (5) feet of separation horizontally and vertically or
Twelve (12) inches with a three (3) inch slab/wall of concrete.
5. 
Water separated from gas main:
Ten (10) feet of separation horizontally.
Vertical eighteen (18) inches with a three (3) inch slab of concrete.
6. 
Sewer separated from gas mains:
Five (5) feet of separation horizontally or
Vertical eighteen (18) inches with a three (3) inch slab of concrete.
7. 
Communications, cable, phone, fiber separated from water or sewer:
Five (5) feet radially.
8. 
Minimum separation from any utility to back of curb:
Five (5) feet.