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CONSTRUCTION REQUIREMENTS
(A) The contractor shall be duly licensed by the state to install and repair building sewers.
(B) A permit for any connection to the sewers shall be obtained from the Water Pollution Control Authority or its authorized agent. This permit shall specify the location of the property involved, the location, where available, of the sewer connection, and the name and address of the contractor to whom it is issued. The fee for each permit shall be $25.
(D) A permit for the installation of a check valve shall be obtained from the W.P.C.A. or its authorized agent. This permit shall specify the location, where available, of the check valve, and the name and address of the Contractor to whom it is issued.
(Ord. 235, adopted 9-4-84; Am. Ord. 312, passed 1-7-91; Am. Ord. 371, passed 2-3-97; Am. Ord. 434, passed 3-12-00; Am. Ord. 460, passed 6-3-02) Penalty, see § 51.99
(A) The contractor shall be protected by and shall pay the premiums on policies of insurance coverage both Employers' Liability under Connecticut Law and Public Liability insuring him against liability to persons outside of his employ, in the amounts of: liability - $500,000/ $500,000; property damage - $100,000/ $100,000; said policies to be issued by an insurance company licensed in the state. Special coverage for blasting shall be provided when needed. Said policies shall include the town as the name insured. The insurance coverage shall show proof of adequate insurance indemnifying the Water Pollution Control Authority from any damage.
(B) The contractor shall provide the Water Pollution Control Authority with a performance bond. This is required for the faithful performance of the work contemplated. This shall be issued by an approved surety company licensed in the state. It shall be for an amount of a minimum of $10,000 and may vary upwards on larger projects in amount as required by the Engineer. This bond will be in force from January 1 to December 31, and shall cover any project by the contractor until the expiration of the maintenance period for that project.
(C) The maintenance period shall be for one year from completion of connection.
(Ord. 235, adopted 9-4-84) Penalty, see § 51.99
(A) The contractor or his agent shall under no circumstances start work on a project until the provisions of §§ 51.15 and 51.16 are fulfilled and the permit required therein is on the site of the work where it shall remain until completion of the job. The contractor is not allowed to commence any work until arrangements have been made for its inspection.
(B) At least one-way traffic shall be maintained in the road at all times. However, under unusual circumstances, the Police Department may permit the temporary closing of a road. In such case, the contractor shall secure permission from the Police Department and should notify the Fire Department of such closing permission.
(C) Adequate barricades and, when necessary, lights and red flags shall be erected and maintained in the street as long as the Police Department deems it advisable.
(D) The contractor shall schedule his work so as not to allow open trench conditions over the weekend or holidays, nor during the week in excess of 48 hours without special permission from the Engineer.
(Ord 235, adopted 9-4-84) Penalty, see § 51.99
(A) Work shall, in every case, proceed from the sewer toward the structure involved. Any variation in this procedure shall be at the sole responsibility of the contractor unless prior approval of the Engineer has been secured.
(B) Trenching shall proceed in accordance with latest manual on Safety in Construction as published by the Occupational Safety and Health Act. The trench shall be ample width at the bottom to accommodate the structure to be placed and any work on the structure that conditions necessitate. Tunneling under existing structures may be permitted when practical, but in no case shall any one tunnel exceed ten feet in length.
(C) Sheeting requirements for excavation to insure the safety of personnel, the public, property, or proper installation, shall be furnished and placed by the contractor in accordance with good practice and at his own expense. Requirements and specifications for sheeting shall satisfy the intent of the Occupational Safety and Health Act.
(D) Where water is encountered in a trench, sufficient sump shall be constructed and adequate pumping equipment made available so that the installation of any drain or appurtenances shall be done in the dry. Under no conditions shall water be allowed to enter the sewer from the trench.
(E) If at any time during the excavation, in the Engineer's opinion, the material being excavated is not suitable for backfill, such material shall immediately be removed from the site by the contractor at his own expense. Unsatisfactory materials shall include, but not be limited to, boulders, clay, muck, frozen ground, and the like. Where unsatisfactory material is removed, it shall be replaced by sand or gravel not containing pieces larger than three inches in diameter. Furnishing and placing this material shall be at the contractor's expense.
(F) Any unsuitable foundation material shall be removed and replaced with crushed stone or selected sand. If excavation is deeper than desired depth, the trench shall be filled with crushed stone or selected sand. In no case may loose fill from excavation be used to bring the trench up to grade. Blocks or rigid objects should never be used to support the pipe. Selected sand bedding and tamped cover to twelve inches above the pipe will be required.
(Ord. 235, adopted 9-4-84) Penalty, see § 51.99
(A) All building sewer pipe shall be cast iron pipe, ASTM A 74; or plastic, type P.S.P. poly (vinyl chloride) PVC ASTM (D 3034).
(B) The minimum inside pipe diameter and minimum fall per foot of the building sewer shall be in accordance with the following table of allowable number of fixture units.
Maximum Number of Fixture Units* | ||||
Pipe Diameter in Inches | Fall Per Foot | |||
1/16" | 1/8" | 1/4" | 1/2" | |
Maximum Number of Fixture Units* | ||||
Pipe Diameter in Inches | Fall Per Foot | |||
1/16" | 1/8" | 1/4" | 1/2" | |
4 | 180 | 216 | 250 | |
5 | 390 | 480 | 575 | |
6 | 700 | 840 | 1000 | |
8 | 1400 | 1600 | 1920 | 2300 |
10 | 2500 | 2900 | 3500 | 4200 |
*The unit values for each plumbing fixture are as set forth in the current BOCA Basic Plumbing Code manual.
(C) The building sewer in all cases shall be first connected to the sewer and may then be extended to proceed toward the structure to be served. Pipe laying shall proceed in accordance with the best accepted practices true to line and grade.
(D) If a water service is to be laid in the same trench with the building sewer, the rules and regulations of the South Central Regional Water Authority shall be followed.
(E) Clean out, to approximate ground elevation, must be provided five to ten feet from the structure served if clean out does not exist inside foundation wall. On longer lines, clean out shall be provided at approved intervals.
(Ord. 235, adopted 9-4-84) Penalty, see § 51.99
Backfill shall be in accordance with Regulations for Street and Highway Excavation, Public Works Department, Hamden, latest edition, and as supplemented hereto.
(A) Under no circumstances shall backfill be permitted around and over the pipe until the pipe, joints, lines, elevations, and workmanship has been inspected and approved by the Engineer.
(B) Wherein under § 51.18(E) the excavated material is deemed not suitable for backfill, such material shall be replaced by sand or gravel, not containing pieces larger than three inches in diameter. The furnishing and placing of satisfactory material shall be at the contractor's expense.
(C) Backfilling of trenches on private property shall proceed in the following manner: The installed pipe or structure shall be covered with approved fine material to a depth of at least one foot compacted. Compaction shall be by means of at least a 10-pound hand tamper or an approved hand mechanical tamper. Succeeding layers shall not be more than two feet in depth with each layer thoroughly compacted to the satisfaction of the Engineer before placing the next layer.
(D) Backfilling of trenches within the street area from the back of the area reserved for sidewalks to the trunk line of the sewer shall proceed in the following manner: The installed pipe or structure shall be covered with approved fine material to a depth of at least one foot compacted. Compaction shall be by means of at least a 10-pound hand tamper or an approved hand mechanical tamper. Succeeding layers of approved backfill material shall not be more than six inches in depth after compaction, with each layer thoroughly compacted to the satisfaction of the Engineer before placing the next layer. Material taken from the trench excavation shall not be used to backfill this portion of the sanitary lateral without first receiving permission from the Engineer. This permission will only be granted in the case of suitable gravel or sand. Barring receipt of this permission, the contractor must at his own expense furnish suitable gravel and place each as previously prescribed.
(Ord. 235, adopted 9-4-84) Penalty, see § 51.99
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