The best inspection wells here in Beijing are tide white, with complete specifications and models, and can be customized.
Prefabricated concrete inspection shaft
1. Production and acceptance standards:
Refer to the National Building Standard Design Atlas (05ss521).
2. Product raw materials:
42.5 cement, aggregate (sand, gravel), steel bars, concrete strength ratio: well chamber and well shaft are C30. Other parts are C25.< /p>
3. Technology:
Rotating rolling process. The comprehensive cost is about 10% lower than cast-in-place concrete.
4. The composition of a circular well:
(well bottom plate, well chamber, well chamber adjustment block, closing cover plate, wellbore adjustment block, well circle, and well cover). (7 parts)
5. The components of a rectangular well:
Lower well chamber, upper well chamber, wellbore adjustment block, well rim, and manhole cover. (5 parts).
Remarks: Inspection wells are Ф1m, Ф1.2m, Ф1.5m. After receiving the 700 with the closing cover plate, use the Ф700 well section to adjust the height to the ground. The last section is Well circle, the manhole cover is fixed on the well circle.
6. Four types of rainwater wells:
Ф700, Ф1000, Ф1200, Ф1500.
The heights of the well chambers are:
1, Ф700, Ф1000. Well height: 1 meter.
2. Ф1200 well height: 1 meter or 1.3 meters.
3. Ф1500 well height: 1 meter, 1.53 meters.
Thickness:
Ф700, Ф1 meter thickness 10 cm. The thickness of Ф1.2 meters is 12 cm, and the thickness of Ф1.5 meters is 15 cm.
Remarks:
1. The thickness of the well floor is the same as the thickness of the well chamber.
2. The well is located on the pedestrian or vehicle road: the top of the manhole cover is level with the road surface.
3. The well is located on green land: the top of the manhole cover is 5 cm above the ground.
4. There is no fixed ladder in the inspection well, and a soft ladder is provided for every 100 people.
7. Processing and delivery:
1. Technical personnel will conduct in-depth design and serialization based on the drawings and on-site conditions. 2. The construction site is required to request goods according to the sorted hash number to avoid inconvenience caused by excessive inventory on site.
(8). Construction requirements:
1. Basic methods: The bottom of the well should be compacted, with a density of more than 95%, and 10 cm of gravel or c15 cushion should be laid.
2. Shaft connection method: tongue-and-groove type, 1:2 waterproof mortar base.
3. Connection method between inspection wells and pipelines: Different pipe materials should be processed separately, and cement pipes should be chiseled. Treat with 1:2 expanding mortar. Other pipes shall be processed according to pipe requirements.