N.H. Code Admin. R. Env-Wq 1503.21

Current through Register No. 25, June 20, 2024
Section Env-Wq 1503.21 - Notification; Certifications
(a) The permit holder shall notify the department in writing at least one week prior to commencing any work under the permit.
(b) The project shall be constructed in accordance with the approved plans and specifications unless:
(1) The deviations are within the scope allowed under (d), below;
(2) An amended permit is obtained pursuant to Env-Wq 1503.22; or
(3) A new permit is obtained in accordance with Env-Wq 1503.05.
(c) Upon completion of construction, the permit holder shall submit to the department the following:
(1) A written notice signed as required by Env-Wq 1503.10 by the permit holder and the qualified engineer, if the approved plans and specifications were prepared by a qualified engineer, certifying that:
a. The project was completed in accordance with the approved plans and specifications; or
b. Deviations from the approved plans and specifications were made, but the deviations did not require an amended permit or a new permit;
(2) If any deviations from the approved plans were made, as-built drawings and a description of all deviations from the approved plans that have been stamped by a qualified engineer if the approved plans were stamped by a qualified engineer; and
(3) If any underground detention systems, infiltration systems, or filtering systems were installed, the following for each such system:
a. Representative photographs of the system after completion but prior to being backfilled; and
b. A letter signed by a qualified engineer stating that the individual observed the system prior to the system being backfilled, and that in his or her professional opinion, the system conforms to the approved plans and specifications.
(d) The permit holder shall not deviate from the approved plans and specifications without applying for an amended permit or a new permit unless all of the following criteria are met:
(1) The project as modified will comply with Env-Wq 1507.02 relative to permanent methods of protecting water quality;
(2) The modifications have not and will not result in any changes to wetlands or protected shoreland impacts and will not decrease any buffers required by law or established by a permit or other approval, unless a permit that specifically allows the impacts has been obtained pursuant to RSA 482-A or RSA 483-B, respectively;
(3) The proposed disturbance is within the area originally proposed for disturbance, except as necessitated by (6) through (8), below;
(4) As compared to the project as originally approved, the total impervious area has decreased, remained the same, or increased by the smaller of 5% or 2,500 square feet;
(5) No change is made to a stormwater management system that:
a. Adds, removes, or relocates any treatment practice, pretreatment practice, groundwater recharge practice, or detention structure; or
b. Increases the peak inflow rate to any treatment practice, pretreatment practice, groundwater recharge practice, or detention structure during the 2-year 24-hour storm;
(6) The roadway centerline has not been relocated or has been relocated to no more than 20 feet from the center line of the roadway as originally approved;
(7) The center point of a parking area has not been relocated or has been relocated to no more than 20 feet from the center point of the parking area as originally approved;
(8) The center point of a structure has not been relocated or has been relocated to no more than 20 feet from the center point of the structure location as originally approved; and
(9) The permit holder:
a. Notifies the department in writing that modifications within the scope allowed by (d)(1)-(8) have been, are being, or will be made, by filing revised plans with a narrative description of each deviation; and
b. Signs and certifies the written submission as specified in Env-Wq 1503.10.

N.H. Code Admin. R. Env-Wq 1503.21

(See Revision Note #1 at chapter heading for Env-Wq 1500) #9343, eff 1-1-09; (See Revision Note #2 at chapter heading for Env-Wq 1500) ss by #9817-A, eff 12-1-10

Amended by Volume XXXVII Number 32, Filed August 10, 2017, Proposed by #12342, Effective 8/15/2017, Expires 8/15/2027.