[Ord. 429, 11/7/2006]
For any of the activities regulated by this Chapter, the preliminary or final approval of subdivision and/or land development plans, the issuance of any building or occupancy permit, or the commencement of any land disturbance activity may not proceed until the applicant or his/her agent has received written approval of a drainage plan from the Borough.
[Ord. 429, 11/7/2006]
1. 
The drainage plan shall consist of all applicable calculations, maps, and plans. A note on the maps shall refer to the associated computations and erosion and sedimentation control plan by title and date. The cover sheet of the computations and erosion and sedimentation control plan shall refer to the associated maps by title and date. All drainage plan materials shall be submitted to the Borough in a format that is clear, concise, legible, neat and well organized; otherwise, the drainage plan shall be disapproved and returned to the applicant.
2. 
The following items shall be included in the drainage plan:
A. 
General.
(1) 
General description of project.
(2) 
General description of permanent stormwater management techniques, including construction specifications of the materials to be used for stormwater management facilities.
(3) 
Complete hydrologic, hydraulic and structural computations for all stormwater management facilities.
(4) 
An erosion and sediment control plan, including all reviews and approvals by the Conservation District.
(5) 
A general description of nonpoint source pollution controls.
B. 
Maps. Map(s) of the project area shall be submitted on twenty-four-inch by thirty-six-inch sheets and shall be prepared in a form that meets the requirements for recording at the offices of the Recorder of Deeds of Bucks County. The contents of the map(s) shall include, but not be limited to:
(1) 
The location of the project relative to highways, municipalities or other identifiable landmarks.
(2) 
Existing contours at intervals of two feet. In areas of steep slopes (greater than 15%), five-foot contour intervals may be used.
(3) 
Existing streams, lakes, ponds or other bodies of water within the project area.
(4) 
Other physical features including flood hazard boundaries, sinkholes, streams, existing drainage courses, areas of natural vegetation to be preserved and the total extent of the upstream area draining through the site.
(5) 
The locations of all existing and proposed utilities, sanitary sewers and water lines within 50 feet of property lines.
(6) 
An overlay showing soil names and boundaries.
(7) 
Proposed changes to the land surface and vegetative cover, including limits of earth disturbance and the type and amount of impervious area that would be added.
(8) 
Proposed structures, roads, paved areas and buildings.
(9) 
Final contours at intervals of two feet. In areas of steep slopes (greater than 15%), five-foot contour intervals may be used.
(10) 
The name of the development, the name and address of the owner of the property and the name of the individual or firm preparing the plan.
(11) 
The date of submission.
(12) 
A graphic and written scale of one inch equals no more than 50 feet; for tracts of 20 acres or more, the scale shall be one inch equals no more than 100 feet.
(13) 
A north arrow.
(14) 
The total tract boundary and size with distances marked to the nearest foot and bearings to the nearest degree.
(15) 
Existing and proposed land use(s).
(16) 
A key map showing all existing man-made features beyond the property boundary that would be affected by the project.
(17) 
Location of all open channels.
(18) 
Overland drainage paths.
(19) 
A minimum fifteen-foot wide access easement around all stormwater management facilities that would provide ingress to and egress from a public right-of-way.
(20) 
The location of all erosion and sedimentation control facilities.
(21) 
A note on the plan indicating the location and responsibility for maintenance of stormwater management facilities that would be located off-site. All off-site facilities shall meet the performance standards and design criteria specified in this Chapter.
(22) 
A statement, signed by the landowner, acknowledging the stormwater management system to be a permanent fixture that can be altered or removed only after approval of a revised plan by the Borough, which shall be recorded with the record plan and which shall be applicable to all future landowners.
(23) 
The following signature block for the design engineer:
“(Design engineer), on this date (date of signature), have reviewed and hereby certify that the drainage plan meets all design standards and criteria of the Yardley Borough Delaware River South Watershed Act 167 Stormwater Management Ordinance.”
C. 
Supplemental Information.
(1) 
A written description of the following information shall be submitted.
(a) 
The overall stormwater management concept for the project designed in accordance with §23-304.
(b) 
Stormwater runoff computations as specified in this Chapter.
(c) 
Stormwater management techniques to be applied both during and after development.
(d) 
Expected project time schedule.
(e) 
Development stages (project phases) if so proposed.
(f) 
An operation and maintenance plan in accordance with §23-702 of this Chapter.
(2) 
A soil erosion and sedimentation control plan, where applicable, including all reviews and approvals, as required by DEP.
(3) 
A geologic assessment of the effects of runoff on sinkholes as specified in this Chapter.
(4) 
The effect of the project (in terms of runoff volumes and peak flows) on adjacent properties and on any existing municipal stormwater collection system that may receive runoff from the project site.
(5) 
A declaration of adequacy and highway occupancy permit from the PennDOT district office when utilization of a PennDOT storm drainage system is proposed.
D. 
Stormwater Management Facilities.
(1) 
All stormwater management facilities must be located on a plan and described in detail.
(2) 
When groundwater recharge methods such as seepage pits, beds or trenches are used, the locations of existing and proposed septic tank infiltration areas and wells must be shown.
(3) 
All calculations, assumptions and criteria used in the design of the stormwater management facilities must be shown.
[Ord. 429, 11/7/2006]
1. 
For all activities regulated by this Chapter, the steps below shall be followed for submission. For any activities that require a DEP joint permit application and regulated under 25 Pa.Code, Chapter 105, “Dam Safety and Waterway Management,” or Chapter 106, “Floodplain Management,” of DEP’s Rules and Regulations, require a PennDOT highway occupancy permit, or require any other permit under applicable State or Federal regulations, the proof of application for that, the permit(s) shall be part of the plan. The plan shall be coordinated with the State and Federal permit process.
A. 
The drainage plan shall be submitted by the applicant as part of the preliminary plan submission for the regulated activity.
B. 
A minimum of four copies of the drainage plan shall be submitted.
C. 
Distribution of the drainage plan will be as follows:
(1) 
Two or more copies to the Borough accompanied by the requisite Borough review fee, as specified in this Chapter.
(2) 
One copy to the Borough Engineer.
(3) 
One copy to the Bucks County Planning Commission.
[Ord. 429, 11/7/2006]
1. 
The Borough Engineer shall review the drainage plan for consistency with the adopted Delaware River South Watershed Act 167 Stormwater Management Plan. The Borough shall require receipt of a complete plan, as specified in this Chapter.
2. 
The Borough Engineer shall review the drainage plan for any subdivision or land development against the Borough Subdivision and Land Development Ordinance [Chapter 22] provisions not superseded by this Chapter.
3. 
For activities regulated by this Chapter, the Borough Engineer shall notify the Borough, in writing, whether the drainage plan is consistent with the Stormwater Management Plan. Should the drainage plan be determined to be consistent with the Stormwater Management Plan, the Borough Engineer will forward a review letter to the applicant with a copy to the Borough.
4. 
Should the drainage plan be determined to be inconsistent or noncompliant with the Stormwater Management Plan, the Borough Engineer will forward a letter to the applicant with a copy to the Borough citing the reason(s) for the inconsistency or noncompliance. Any drainage plans receiving this decision may be revised by the applicant and resubmitted for reevaluation. The Borough will not grant approval to the proposal until its drainage plan is deemed consistent with this Chapter.
5. 
For regulated activities specified in §23-104 of this Chapter, the Borough Engineer shall notify the Borough Building Permit Officer in writing, within a time frame consistent with the Borough Building Code [Chapter 5, Part 1] and/or Borough Subdivision Ordinance [Chapter 22], whether the drainage plan is consistent with the Stormwater Management Plan and forward a copy of the approval/disapproval letter to the applicant. Any disapproved drainage plan may be revised by the applicant and resubmitted consistent with this Chapter.
6. 
For regulated activities requiring a DEP joint permit application, the Borough Engineer shall notify DEP whether the drainage plan is consistent with the Stormwater Management Plan and forward a copy of the review letter to the Borough and the applicant. DEP may consider the Borough Engineer’s review comments in determining whether to issue a permit.
7. 
The Borough shall not approve any subdivision or land development for regulated activities specified in §23-104 of this Chapter if the drainage plan has been found to be inconsistent with the Stormwater Management Plan, as determined by the Borough Engineer. All required permits from DEP must be obtained prior to approval of any subdivision or land development.
8. 
The Borough Building Permit Office shall not issue a building permit for any regulated activity specified in §23-104 of this Chapter if the drainage plan has been found to be inconsistent with the Stormwater Management Plan, as determined by the Borough Engineer, or without considering the comments of the Borough Engineer. All required permits from DEP must be obtained prior to issuance of a building permit.
9. 
The applicant shall be responsible for completing record drawings of all stormwater management facilities included in the approved drainage plan. The record drawings and an explanation of any discrepancies with the design plans shall be submitted to the Borough Engineer for final approval. In no case shall the Borough approve the record drawings until the Borough receives a copy of an approved declaration of adequacy, highway occupancy permit from the PennDOT district office, and any applicable permits from DEP.
10. 
The Borough’s approval of a drainage plan shall be valid for a period not to exceed five years. This five-year time period shall commence on the date that the Borough signs the approved drainage plan. If stormwater management facilities included in the approved drainage plan have not been constructed, or if constructed, and record drawings of these facilities have not been approved within this five-year time period, then the Borough may consider the drainage plan disapproved and may revoke any and all permits drainage plans that are considered disapproved by the Borough shall be resubmitted in accordance with §23-406 of this Chapter.
[Ord. 429, 11/7/2006]
1. 
A modification to a submitted drainage plan for a development site that involves a change in stormwater management facilities or techniques, or that involves the relocation or re-design of stormwater management facilities, or that is necessary because soil or other conditions are not as stated on the drainage plan as determined by the Borough Engineer, shall require a resubmission of the modified drainage plan consistent with §23-403 of this Chapter and be subject to review as specified in §23-404 of this Chapter.
2. 
A modification to an already approved or disapproved drainage plan shall be submitted to the Borough, accompanied by the applicable fee. A modification to a drainage plan for which a formal action has not been taken by the Borough shall be submitted to the Borough, accompanied by the applicable Borough review fee.
[Ord. 429, 11/7/2006]
A disapproved drainage plan may be resubmitted, with the revisions addressing the Borough Engineer’s concerns documented in writing addressed, to the Borough in accordance with in §23-404 of this Chapter. The applicable Borough review fee must accompany a §23-403 of this Chapter and distributed accordingly and be subject to review as specified resubmission of a disapproved drainage plan.