(c) Roadways. The applicant's proportionate share of street improvements, alignment, channelization, barriers, new or improved traffic signalization, signs, curbs, sidewalks, trees, utility improvements covered elsewhere, the construction or reconstruction of new or existing streets, other associated street or traffic improvements, any land acquisition, and other related costs shall be as follows:

[1] The Municipal Engineer shall provide the applicant with the existing and reasonably anticipated future peak hour flows for the off-tract improvement.

[2] The applicant shall furnish a plan for the proposed off-tract improvement which shall include the estimated peak hour traffic generated by the proposed development and the proportion thereof which is to be accommodated by the proposed off-tract improvement. The ratio of the peak hour traffic generated by the proposed development which is to be accommodated by the off-tract improvement shall form the basis of the proportionate share. The proportionate share shall be computed as follows:

[3] Existing roads contiguous to the property are the sole responsibility of the developer which shall reconstruct such roadway to the center line and extend all related utilities through the improved section.

[4] Reconstruction of existing Township roads on the opposite side of the center line deemed necessary by the Township Engineer to assure roadway safety shall be the responsibility of the developer along undeveloped frontage. If the adjoining property is developed within a period of 10 years, the developer shall be reimbursed for cost of the widening beyond the center line.

(d) Drainage improvements. The developer's proportionate share of stormwater and drainage improvements including the installation, relocation or replacement of storm drains, culverts, catch basins, manholes, riprap, improved drainage ditches and appurtenances thereto, and relocation or replacement of other storm drainage facilities, appurtenances, any land acquisition, and other related costs associated therewith, shall be determined as follows:

[1] The capacity and the design of the drainage system to accommodate stormwater runoff shall be based on the standards specified in Articles IX and X (§ 190-70 et seq.), computed by the developer's engineer and approved by the Municipal Engineer.

[2] The capacity of the enlarged, extended, or improved system required for the subdivision and areas outside of the developer's tributary to the drainage system shall be determined by the developer's engineer subject to approval of the Municipal Engineer. The plans for the improved system shall be prepared by the developer's engineer and the estimated cost of the enlarged system calculated by the Municipal Engineer. The prorated share for the proposed improvement shall be computed as follows:

Where the proposed off-tract improvement is to be undertaken at some future date, the monies required for the improvement shall be deposited in an interest-bearing account to the credit of the municipality in a separate account until such time as the improvement is constructed. If the off-tract improvement is not begun within 10 years of deposit, all monies and interest shall be returned to the applicant.

The developer may request to participate in a regional detention system instead of meeting the stormwater detention obligation on site. If the Township Engineer recommends approval of the request and the governing body grants such approval, the developer shall contribute a nonrefundable amount equal to the cost of providing on-site detention. Such contribution shall include costs for land, design, construction and maintenance as approved by the Township Engineer. Said amount shall be posted with the Township at final approval.

As a condition of final approval, the developer shall enter into a developer's agreement with the municipality which shall include the conditions, formula and costs for the proposed off-tract improvement.