basic determination - review of documents, clarification of the task, preparation of a sketch of the planned stormwater tank
design planning of the drainage mains on the basis of the survey documents provided by the client, preparation of a site plan as well as several longitudinal sections and standard cross-sections
hydraulic sizing of the pipe dimensions of the drainage mains to be planned
coordination of the planning with the client
preparation of a cost calculation
preparation of an execution plan as a site plan on the basis of the digital as-built plan
preparation of a bill of quantities with a preceding specification of works
1 precast manhole 1500 x 1500 mm, with valve DN 800
10 manholes DN 1000 to 2000 Stb
4 road gullies, approx. 20 m connection pipes DN 150
2 connections, approx. 40 m DN 200 PP
road reinstatement approx. 500 m² asphalt
Stormwater Retention Basin
Scope of services:
basic determination - review of documents, clarification of the task, development of a calculation concept taking into account the current body of standards
determination of the catchment area of RRB 2 on the basis of planning documents and in coordination with the client regarding additional extensions to be taken into account
site meeting to verify the connected buildings and areas as well as inspection of the planned tank site
hydrological calculation of RRB 2 according to DWA-A 117, determination of required volume (preferred variant: 282 m³)
variant comparison with sizing of the required pumps (pumping over into an adjacent buffer pond) (preferred variant: throttle outflow 260 l/s)
preparation of a short report and final processing of the catchment area plan
Client
A company of the Architects, Engineers industry from Saxony, Deutschland
