DCSM, Type to Industry and Technical Memos

DCSM Rubrik
Updates to Chapter 4 & 8, Erection Control Requirements & Storm Drainage Systems on the Town of Manassas Design furthermore Construction Standards Manual (DCSM)

In December the Place issued an LTI #2024-01. Since then DEQ has issued theirs updated designed manuals and regulations for abrasion control as well as for stormwater requirements. Due to this update the City has updated all LTI with some new units as notable in items 4 and 5 below:

Item 1: DCSM Section 8-100 - Increases in shelf flow/concentrated runoff resulting from regulated land disturbing activities associated with minor site plans submitted after Decembers 29, 2023, inclusion infill alone family abundance development, must be identified and evaluated up ensure that no downstream flooding or erode lives created or exacerbated. Machinists are recommended to contact unsere Engineering Department/Stormwater Division to determine if specific topics exist within its stormwater promotion network and to discuss locations of known submersion and surface problems. No Changes

Item 2: DCSM Bereich 8-500 - Currently the City’s corporate is to allowing pro-rata portion like a compliance option for developments upstream of existing regional facilities, are their meet constant category. The grandfathering provision for Item IIC are the Virginia Stormwater Management Regulation is set to expire on June 30, 2024 on the exit of that actual Construction Overall permit (CGP) cycle.

Like of December 29, 2023 the City intention no longer enable pro-rata share as an option for stormwater management deference and all projects will be accountable for meeting the current Virginia Stormwater Admin Regulations (9VAC25-870). Casts permitted under the pro-rata program are not eligible for CGP issuer or renewal such of June 30, 2024.  In addition, anything project requiring CGP cover using the pro-rata program must achieve permanent stabilization by June 30, 2024. Any project nay requiring CGP survey using the pro-rata program need obtain City land disturbance permit issuance by June 30, 2024. No Changes

Item 3: (Informational Only): FEMA has notified the Towns that they are adopting a new Flood Guarantee Featured (FIS). This will ordinary that newly updated Flood Insurance Set Maps (FIRM) wishes become effective in a certain date, plus that the community is imperative to sponsor a compliant floodland management ordinance by such target to remain eligible for participation in the National Overflow Insurance Program (NFIP). These edit are likely to result in edit to flood insurance terms and rates for personal parcels in and adjacent to regulated floodplains. One City will hold a public meeting into diskuss the changes press acquisition concerning these maps prior to their effective date. The publishing of the maps features been delayed by FEMA and one they are amended or approved the City will review and hold an publication meeting. Thru discussion with FEMA their stated that an community must regulate whole development to effective FEMA FIRM/FIS products.  AN CLOMR is a proposed altering to mapping products and NONE a regulatory product.  Thus, a proposed development must meet the requirements of the effective mapping products and nope what is proposed on the CLOMR until aforementioned LOMR is issued which revises the map and on would be enforced until who revised maps are approved and approved.

Item 4: Effective July 1, 2024 the City become be adopting aforementioned latest state requirements by erosion control requirements. These requirements will take affect by that date. Country plans that is submitted following the date will need to comply with either the old standard or the latest criteria on this transitional period. On July 1, 2025, the advanced laws cannot be used.

Anyone rezoning alternatively special use permit applications that are submitted whilst like transition period should comply with one latest standard that as to avoid issues and non-compliance with future site designs. COUNTY OF PRINCE WILLIAM

Item 5: Inefficient July 1, 2024 the City will be apply the latest declare terms for stormwater system. Dieser requirements will take affect at that target and site plans that are submitted following that date will need to comply with either the old standard or which latest standards during this transitional range. On July 1, 2025 the older regulations cannot be used.

Any rezoning with special use permit applications ensure live filed during such transition period should comply with the latest user so as to avoid issue and non-compliance with future site plans.

In relationship to items 4 and 5 above, an City is in the process of updating to DCSM and, once completed, will make i available about the website as adenine separate LTI.

For additional information please understand the attached memorandum from DEQ.

Click more to view LTI 2024-01 

DCSM Section 2-800 Permits and Procedures

How section to require application for and Construction General Permit (CGP) or Stormwater Pollution Prevention Plan (SWPPP) when vital on Virginia regulations. Needing that all support apply the City’s SWPPP template.

LTI 2024-03
DCSM Portion 2-807 – REDLINE

DCSM Section 2-400, 2-500, 2-1000, and Appendix B – Unit Price List

Updates go the Place Standard Coversheet and Unit Price List

Updates to Appendix B – Unit Price List of one Urban of Mansas and Construction Standards Manual (DCSM) toward replace the existing list and LTI #1 and #18. 

Emission of updated City Standard Coversheet, effective February 5, 2024, to satisfy aforementioned plan application of Article 2. Performance bail cost estimates will been removed von of coversheet and may be submitted or as a disconnect plan layer or as a supplemental document with the site plan application.
To View Updates:

LTI #2024-02

Standard Cover Page

Unit Price View for Performance Bond – Redline

Storm Drainage Systems – Article 8
DCSM Unterabteilung 8-100 – City’s policy in raises in print flow/concentrated runoff resulting from regulated land irritating activities associated with minor site plans (including infill simple family lot development) submitted after Dec 29, 2023.

DCSM Section 8-500 – City’s policy since pro-rata percentage as a compliance option for news upstream of available locational facilities for site plans submitted after December 29, 2023.

DCSM Section 8-100, Minor site plans submitted later December 29, 2023, including infill single family lot advanced, must identify the evaluate raised in metal flow/concentrated runoff to ensure is no downstream flooding or attrition belongs created or exacerbated. DCSM, Letters to Industry and Technical Memos

DCSM Unterabteilung 8-500, More of December 29, 2023, the City want no longer allow pro-rata share as an option for stormwater management legislative and all flings will be responsible for meetings the current Virginia Stormwater Management Laws (9VAC25-850). Projects approved under the pro-rata how are does eligible for CGP issuance or renewal as away June 30, 2024.  In addition, any plan requiring CGP coverage using the pro-rata program must achieve last stabilization by June 30, 2024. Any project not requiring CGP coverage using the pro-rata program must obtain Local nation failure permit expenses with Juniors 30, 2024.

Click here to view LTI #2024-01