Purpose: This Part 5 implements the following Master Plan recommendations-
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Consider revisions to the excavation provisions in the Nashua City Code, if deemed necessary to improve excavation and closure operations.
A. 
This article applies to any site plan or subdivision plan authorizing an excavation. All excavations shall comply with the requirements of this section as well as the provisions of RSA 155-E, Local Regulation Excavations.
B. 
A waiver or appeal from the requirements of this section may be filed with the Planning Board pursuant to § 190-148.
A. 
All equipment, except mobile equipment, for sorting, washing, crushing, grading, drying, processing and treating, and other operation machinery, shall not be used closer than 100 feet to any public street or any adjoining property line.
B. 
Off-street parking shall be provided as required in the table of number of required off-street parking spaces in § 190-198 of this chapter.
C. 
Any access to excavated areas or areas in the process of excavation shall be adequately posted with "Keep Out-Danger" signs.
D. 
Lateral support shall be maintained for adjacent properties.
E. 
A substantial fence shall enclose the excavation or quarry where any excavation or quarry will extend under original ground level or will have a depth of 10 feet or more and create a slope of more than one in two. Such fence shall be located 10 feet or more from the edge of the excavation or quarry, and shall be at least six feet in height.
F. 
The use of explosives shall comply with the regulations for storage or handling of explosives as published by the New Hampshire Department of Safety.
Comment: See New Hampshire Code of Administrative Rules, Chapter Saf-C 1600. Explosives.
G. 
All operations shall be conducted in such a manner so as to comply with the laws of the state regulating water pollution and air pollution.
Sketch plans required pursuant to RSA 155-E:3 shall be filed with the Administrative Officer and shall be prepared by a registered professional engineer or a registered land surveyor, at a scale of 200 feet to the inch, and shall indicate the requirements of RSA 155-E:3 in addition to the following:
A. 
Adjacent public streets;
B. 
Water supply and sanitary sewerage systems and temporary and permanent drainage systems for the site;
C. 
Topographic mapping showing contours at intervals of not more than 10 feet;
D. 
Submission of plan for lighting if night operation is permitted by Zoning Board of Adjustment;
E. 
Proper provision for vehicular traffic, service roads and control of entrances and exits to highways;
F. 
The relocations of existing and future buildings and operations machinery to the removal areas;
G. 
Delineation of the existing removal areas and the proposed area for removal in the immediate future;
H. 
Location of fencing if applicable.
It is recognized that land reuse of a removal site is in the public interest; therefore, a reclamation plan, as described in RSA 155:E-5 and 155:E-5-a, must be submitted to and approved by the Administrative Officer following review by the Planning Board, subject to the following regulations:
A. 
The Administrative Officer may require that the reclamation plan show up to three alternative future land reuses.
B. 
Any land reuse must correspond to a situation which could reasonably occur in the immediate future (zero to five years), and be revised as necessary as to the existing physical character as the removal area changes.
C. 
The reclamation bond, required pursuant to RSA 155-E: 4-a, shall specify the time for completion of all the applicable requirements of this Part 5 and shall be of an amount determined by the City Engineer and Administrative Officer as sufficient to ensure compliance of the requirements.