diff --git a/dependencies/asm3_class.js b/dependencies/asm3_class.js
new file mode 100644
index 0000000..6215671
--- /dev/null
+++ b/dependencies/asm3_class.js
@@ -0,0 +1,41 @@
+class ASM3 {
+
+  kin_params = {
+    // kinetic parameters (20 C for now)
+
+    // Hydrolysis
+    k_H:      3.,   // hydrolysis rate constant       [g X_S g-1 X_H d-1]
+    K_x:      1.,   // hydrolysis saturation constant [g X_S g-1 X_H] 
+    // Heterotrophs
+    k_STO:    5.,   // storage rate constant          [g S_S g-1 X_H d-1]
+    nu_NO:    0.6,  // Anoxic reduction factor        [-]
+    K_O:      0.2,  // Saturation constant S_0        [g O2 m-3]
+    K_NO:     0.5,  // Saturation constant S_NO       [g NO3-N m-3]
+    K_S:      2.,   // Saturation constant S_s        [g COD m-3]
+    K_STO:    1.,   // Saturation constant X_STO      [g X_STO g-1 X_H]
+    mu_H:     2.,
+    K_NH:     0.01,
+    K_HCO:    0.1,
+    b_H_O2:   0.2,
+    b_H_NO:   0.1,
+    b_STO_O2: 0.2,
+    b_STO_NO: 0.1,
+    // Autotrophs
+    mu_A:     1.0,
+    K_A_NH:   1.,
+    K_A_O:    0.5,
+    K_A_HCO:  0.5,
+    b_A_O2:   0.15,
+    b_A_NO:   0.05
+  }
+
+
+  constructor() {
+  }
+
+  compute_rates(state) {
+    const rates = new Array(12);
+    rates[0] = this.parameters[]
+    return rates;
+  }
+}
\ No newline at end of file