Aquisição de Serviços para Valorização de Lamas das Fábricas de Água da Tejo Atlântico, por Lotes

ID 11816834 · Portal BASE
Price
Base Price
€42,600,000 .00
Effective Price
€17,940,000 .00 -57.9%
Contract Details
Contract Type
Aquisição de serviços
Procedure
Concurso público
CPV Code
90513800
Location
Portugal, Lisboa, Arruda dos Vinhos Portugal, Lisboa, Vila Franca de Xira Portugal, Lisboa, Loures Portugal, Lisboa, Arruda dos Vinhos Portugal, Lisboa, Loures Portugal, Lisboa, Lisboa
Bidder Count
—
Winner
Terra Fértil - Gestão e Valorização de Resíduos, S.A.
NIF 503447145
Company
Dates
Publication
21 Oct 2025
Celebration
13 Oct 2025
Contracting Entity
Águas do Tejo Atlântico, SA
NIF 514387130
Public body
Data Source
Portal BASE
Api · synced 2026-04-17
Risk Flags
Score 65 · MEDIUM RISK
B5 · Benford's Law Deviation
B5_BENFORD_DEVIATION
HIGH
Chi2
225.2426
Sample size
1702
Observed
{"1"=>679, "2"=>240, "3"=>144, "4"=>149, "5"=>84, "6"=>91, "7"=>197, "8"=>58, "9"=>60}
Rule
B5 Benford's Law deviation: chi-square 225.2426 (df=8, n=1702, threshold=15.507)
Detected 2026-03-06
A9 · Abnormal Price Reduction
A9_PRICE_REDUCTION
LOW
Base price
42600000.0
Total effective price
17940000.0
Ratio
0.4211
Direction
reduction
Rule
A9 price reduction: ratio 0.4211 outside [0.5, 1.5]
Detected 2026-03-06