What is the minimum depth of an inspection chamber?

What is the minimum depth of an inspection chamber?

Inspection chamber type b

By IM Resolution No. 4465/21 dated November 23, 2021, paragraph 3.1.3 “Locational Provisions” of Chapter 3 “Gastronomic Services and Food Places” of the above mentioned regulation was substituted, enabling again the operation of buffets and salad bars. Supermarkets may also have these services.

Article 1 of JDM Decree No. 33.934 of 10/24/11 repealed JDM Decree No. 26.817 of 01/08/96 and JDM Decree No. 33.583 of 11/08/10 which established a special regime for the entry into force of the rules on Housing Hygiene, Commercial and Industrial Premises and Urbanism.

Sewer manhole detail

1.2.1. Drinking water and sewerage home installations shall be executed in accordance with the provisions of the Drinking Water and Sewerage Home Installations Regulations (hereinafter R.I.D.A.A.), approved by MOP Decree No. 50 of January 25, 2002.

1.2.3. The materials used in the domestic potable water and sewerage installations must correspond to those indicated in the list of authorized materials, published periodically by S.I.S.S.

2.2.3. The depth is understood to be measured from the level of the grade indicated in the paving project. These dimensions may vary if the ITO deems it convenient, but always respecting the minimum backfill height; otherwise, the corresponding reinforcements must be designed.

2.2.10. The width at the bottom of the trench has been considered equal to the nominal diameter of the pipe plus 0.60. The excavated bottom must be free of protrusions and allow a firm, stable and uniform support to the pipes in all its extension. When required, it should be deepened in the place of the joints.

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The return coefficient (RC) should be estimated based on the analysis of existing information in the locality and/or field measurements made by the service provider. In the absence of field data, a value of 0.85 should be taken.

4. Maximum hourly flow rate. The increase factor used in estimating the maximum hourly flow rate should be calculated using field measurements that take into account the consumption patterns of the population. In the absence of field data, it should be estimated with the approximate equations, taking into account the limitations that may arise in their applicability. This value should be between 1.4 and 3.8.

5. Misconnection flow rate. The contributions due to misconnections must be estimated from the existing information in the locality. In the absence of this information, a maximum value of 0.2 L/s.ha should be used.

In the absence of information, it is accepted that infiltration should be calculated based on a factor of 0.1 L/s ha, applied to the area of sewer infiltration, understood as the area of the streets in the sector benefiting from the system.

Piping inspection chamber

The purpose of this Ordinance is to regulate, on the part of the Municipality, the Internal Sanitary Installations projects, their execution and operation in new works, extensions, modifications or alterations of existing buildings.

The normative text includes the general provisions that will govern the project, execution and operation of the Internal Sanitary Installations, in an integral way with the buildings that contain them. The Municipality will regulate the formalities corresponding to the requirements to be presented in the Sanitary Installation Permit, as well as the technical interpretation and content of the present Ordinance.

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It is the obligation of the owners of the premises to have the necessary elevations for the installation of the internal sanitary system or to have adequate non-return systems. If, as a consequence of non-compliance with this obligation, water circulating in the sanitation network enters the premises through the connections, the institutions that provide the sanitation service shall be exempted from all liability.