Water Point Supervision

This page provides guidance for completing format MF4-F75 “Construction_supervision” regarding WP supervision.

PROCEED n° MF4-F67Rev 1.0WP supervision checklistSep-26
I.Fountain
V1 Foundation excavation & compaction
I.1.1 Supervisor has filled the format MF4-F62 “WP configuration”
I.1.2 If open flow WP, check yield compared to design requirement MF4-M60 §2
I.1.3 Foundation depth is at least 30cm and 2,5×2,5m MF4-M15 §1
I.1.4 Drop stone test pass (Mark < 1 cm) MF4-M15 §1
I.1.5 Contractor knows masonry size & pipes position in the foundation MF4-M60 §6
V2 Preparation for slab casting
I.2.1 25cm wide 40cm high masonry wall is constructed (2x2m) and filled with stones MF4-M15 §1
I.2.2 Clean 2cm high lean concrete (1:3:6) is cast on masonry work MF4-M15 §1
I.2.3 75 mm PVC drainage pipe is installed toward cattle trough as per MF4-M60 §6
I.2.4 Inlet GI pipe is installed with correct dimensions and 2 plugs MF4-M60 §6
I.2.5 Slab rebar mesh is as per MF4-M60 §7 (∅8mm, 20x20cm, 195x195cm)
I.2.6 Slab rebar mesh is supported by 2-3cm of gravel above foundation MF4-M60 §7
I.2.7 Concrete mixing platform is prepared and clean MF4-MF13 §4
I.2.8 Cement is in a dry place, sand is clean and gravel size: 5-20mm MF4-M13 §2
I.2.9 Apparatus to measure sand and gravel quantity is available (1:2:3) MF4-MF13 §1
I.2.10 Water agent knows he has to water the slab 2 times a day for 7 days MF4-M60 §7
V3 Preparation for fountain casting
I.3.1 Slab well cured (not sandy, no cracks). Spill water on drainage channel and slab, there should be no puddles MF4-M60 §7
I.3.2 Drainage bowl with retention (6mm rebar and coffee pot) is prepared MF4-M60 §7
I.3.3 Fountain rebar structure is tied to the slab rebar. Dimensions as per MF4-M60 §8
I.3.4 Mould is oiled, all bolts and nuts installed, inside dimensions as per MF4-M60 §8 and there is 1.5cm clearance with rebar
I.3.5 Water agent knows he has to water the fountain everyday for 7 days MF4-M60 §8
Supervisor has 3 mandatory validation visits. If one item is not validated, correction measures must be agreed with contractor and another visit organized. If not impossible, penalties must be applied (up to contract termination).
II.Wash Table
V1 Foundation excavation & compaction
II.1.1 Supervisor has filled the format MF4-F62 “WP configuration”
II.1.2 Foundation depth is at least 30cm and 2,7×3,5m MF4-M15 §1
II.1.3 Drop stone test pass (Mark < 1 cm) MF4-M15 §1
V2 Preparation for slab casting
II.2.1 25cm wide 40cm high masonry wall is constructed (2x3m) and filled with stones MF4-M15 §1
II.2.2 Clean 2cm high lean concrete (1:3:6) is cast on masonry work MF4-M15 §1
II.2.3 Slab rebar mesh is as per MF4-M60 §9 (∅8mm, 20x20cm, 205x295cm)
II.2.4 Slab rebar mesh is supported by 2-3cm of gravel above foundation MF4-M60 §9
II.2.5 Concrete mixing platform is prepared and clean MF4-MF13 §4
II.2.6 Cement is in a dry place, sand is clean and gravel size: 5-20mm MF4-M13 §2
II.2.7 Apparatus to measure sand and gravel quantity is available (1:2:3) MF4-MF13 §1
II.2.8 Water agent knows he has to water the slab 2 times a day for 7 days MF4-M60 §9
V3 Preparation for table casting
II.3.1 Drainage channel and slab slope properly constructed. Spill water, there should be no puddles MF4-M60 §9
II.3.2 Slab is properly curred: not too white, not sandy and no hair cracks
II.3.3 Table foot rebar structure tied to the slab rebar. Dimensions as per MF4-M60 §9
II.3.4 Table rebar structure tied to the foot rebar. Dimensions as per MF4-M60 §9
II.3.5 ∅50 PVC drainage pipe is intalled from center of the table to the slab MF4-M60 §9
II.3.6 Mould is oiled, all bolts and nuts installed, 4 points level checked MF4-M60 §9 and there is 1.5cm clearance with rebar
II.3.7 Water agent knows he has to water the table everyday for 7 days MF4-M60 §9
Supervisor has 3 mandatory validation visits. If one item is not validated, correction measures must be agreed with contractor and another visit organized. If not impossible, penalties must be applied (up to contract termination).
III.Cattle Through
V1 Foundation excavation & compaction
III.1.1 Supervisor has filled the format MF4-F62 “WP configuration”
III.1.2 Foundation depth is at least 30cm and 2,5×3,5m MF4-M15 §1
III.1.3 Drop stone test pass (Mark < 1 cm) MF4-M15 §1
V2 Preparation for cattle trough casting
III.2.1 25 cm wide 40cm high masonry wall constructed (90cm x 1, 2 or 3m) and filled with stones MF4-M15 §1
III.2.2 ∅75 PVC drainage pipe is intalled in the foundations as per MF4-M60 §10
III.2.3 Clean 2cm high lean concrete (1:3:6) is cast on masonry work MF4-M15 §1
III.2.4 Rebar structure is as per MF4-M60 §10 (∅8mm, 20x20cm, 80x 95, 195 or 295cm)
III.2.5 Slab rebar mesh is supported by 2-3cm of gravel above foundation MF4-M60 §10
III.2.6 ∅75 PVC inlet (1-2) installed 1cm above foundation opposite to drainage pipe MF4-M60 §10
III.2.7 Mould is oiled, all bolts and nuts installed, 4 points level checked MF4-M60 §10 and there is 1.5cm clearance with rebar
III.2.8 Concrete mixing platform is prepared and clean MF4-MF13 §4
III.2.9 Cement is in a dry place, sand is clean and gravel size: 5-20mm MF4-M13 §2
III.2.10 Apparatus to measure sand and gravel quantity is available (1:2:3) MF4-MF13 §1
III.2.11 Water agent knows he has to water slab 2 times a day for 7 days MF4-M60 §10
Supervisor has 2 mandatory validation visits. If one item is not validated, correction measures must be agreed with contractor and another visit organized. If not impossible, penalties must be applied (up to contract termination).